BACKFILL AND BEDDING AGGREGATE

PART 1           GENERAL

1.01     SUBMITTALS

A.        Delivery tickets.

PART 2           PRODUCTS

2.01     FINE AGGREGATE – PENNDOT 2RC

A.        Comply with requirements of Pennsylvania Department of Transportation Publication 408 Specifications.

B.        Natural stone and/or sandstone composed of hard, tough, durable, uncoated particles cleaned by washing, free from harmful amounts of clay, silt, vegetation, or other substances determined to be deleterious.

2.02     COARSE AGGREGATE – PENNDOT 2A

A.        Comply with requirements of Pennsylvania Department of Transportation Publication 408 Specifications.

B.        Composed of hard, tough, durable, uncoated particles, free from harmful amounts of clay, silt, vegetation, or other substance determined to be deleterious.

END OF SECTION

SECTION 02221

UTILITY EXCAVATION, BEDDING, BACKFILL, AND COMPACTION

PART 1           GENERAL

1.01     DESCRIPTION

A.        This section includes, but is not limited to:

1.         Cutting of paved surfaces.

2.         Trench excavation and backfill.

3.         Pipe bedding.

4.         Excavation and backfill for manholes and inlets.

1.02     SUBMITTALS

A.        Certificates:  Delivery tickets.

B.        Compaction equipment list with lift thickness limitations.

1.03     JOB CONDITIONS

A.        Provide dewatering and drainage as required to accomplish work.

1.         Conduct discharge from any trench dewatering pumps to natural drainage channels or storm sewers.  Discharge must be in accordance with proper erosion and sedimentation control measures.

B.        Comply with applicable codes and permits.

C.        All excavation is unclassified and includes excavation and removal of all materials encountered of whatever nature.

D.        Maintain and provide for wastewater lines, water lines, and utility lines encountered.

1.         Make temporary repair as soon as possible.

2.         Report damage to utility.

a.         If utility elects to repair damaged line, cooperate with utility company.

b.         If utility authorizes repair, repair damaged line and restore service in compliance with regulations of utility company.

3.         Responsible for all costs associated with repairing existing utilities damaged by operations.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Stone backfill material:  PENNDOT No. 2RC aggregate.

B.        Pipe bedding materials:  PENNDOT No. 2RC aggregate.

C.        Suitable backfill material:

1.         Material removed from trench excavation which is free of cinders, ashes, refuse, vegetable or organic material, boulders, rocks or stones 6″ or larger.

2.         Material which can be placed in specific layers.

3.         Material that is not wet, saturated, or frozen.

a.         Moisture content is within 3 percent of optimum moisture content determined by PTM NO. 106, Method B.

4.         Material that, in the opinion of the owner, is acceptable.

PART 3           EXECUTION

3.01     EXECUTION

1. Toposoil

1.         Topsoil is to be removed and stockpiled on the property from which it was removed in advance of the excavation work.

1. Pavement removal:

1.         Pavement removal is part of the trench excavation.

2.         Dimensions of pavement removal is shown on the drawings.

3.         Saw cut pavement.

a.         Straight lines parallel with centerline of trench.  Cut offsets at right angles to the centerline of trench.

b.         In state roadways saw cut to dimension required to facilitate excavation.  Prior to restoring roadway saw cut one foot back from edge of trench and remove detached pavement.

1. Excavate trench to depth and grade for pipe invert plus additional 3 inch depth for bedding material.

1.         Rock, hard shale, or unyielding material encountered in trench.

a.         Excavate for full width of trench below proposed elevation of bottom of pipe for a depth of 3 inches in addition to depth specified for bedding material.

2.         Unstable material encountered in trench bottom.

a.         Remove from under pipe for full width of trench to a depth of 3 inches into suitable material.

3.         Replace with suitable bedding material.

a.         Compact to satisfactory density.

1. Place excavated material in a manner that will not obstruct the work, sidewalks, driveways or other structures.

1. Trench width:

1.         State roadways.

a.         48 inch and less outside pipe diameter:

1.         Outside diameter of pipe, measured at bell, plus 12 inches on each side of pipe.

b.         Over 48 inch inside pipe diameter:

1.         Outside diameter of pipe, measured at bell, plus 15 inches on each of pipe.

2.         Other areas.

a.         Maximum width equal to nominal size of pipe plus 16 inches.

3.         Shape trench walls vertical from trench bottom to minimum one foot above pipe.

1. Support and maintain all underground and surface structures, drains, sewers, and other obstructions encountered during construction.

1. Blasting for excavation permitted only after securing written approval from owner.

1. Protect all trees, shrubs, fences, and other property and surface structures during construction unless their removal is shown on drawings or approved by owner.

1.         Cutting of trees roots or branches:  As approved by owner.

1. Support trench walls to comply with all codes.

1. Maximum length of trench opened: 100 feet.

1. Rock excavation:  20 feet in advance of pipe.

3.02     BEDDING

A.        Install required depth of bedding material.

B.        Provide holes for bell or couplings at each joint large enough for joint assembly so that pipe barrel will lie flat on trench bottom.

3.03     BACKFILL AND COMPACTION

A.        Install stone backfill material in 4 inch layer to 6 inches above pipe, hand tamp each layer.

B.        Backfill and compact remainder of trench as shown on drawings.

1.         Place material in uniform layers as indicated on drawings.  Layer depths shown are maximum depths allowed when using compaction equipment as approved by PENNDOT Project Office Manual, Publication.

2.         If required compaction is not achieved, depth of layers shall be reduced.

C.        Maximum allowable height for backfill material to be dropped into trench when pipe covered with at least 12 inches of stone backfill:  Five feet from top of existing backfill in trench.

D.        Compact backfill materials to percent of maximum dry weight density determined by PTM No. 106.

1.         State roadways – 100%.

2.         Borough and Township roadways, paved areas, driveways, and sidewalks – 100%.

3.         Stabilized areas – 90%.

4.         Other area – 85%.

E.         Compaction tests may be performed at owners and/or engineers option at a frequency not to exceed one per 200 feet of trench.

1.         Testing to be PENNDOT PTM No. 112 (sand cone method) or PENNDOT PTM No. 402 (Nuclear method), as determined by the engineer.

F.         Spread topsoil.

END OF SECTION

SECTION 02225

HIGHWAY BORING AND CASING

PART 1           GENERAL

1.01     DESCRIPTION

A.        Contractor shall furnish and install subsurface pipe crossing in highway right-of-way, including all boring, casing pipe, premanufactured mechanical seal, and related appurtenances.

1.02     QUALITY ASSURANCE

A.        Install subsurface pipe crossing in accordance with Section 01061, PENNDOT Chapter 459 Regulations; applicable provisions of PENNDOT Design Manual, Part 5, Section 12.40; and the Highway Occupancy Permit.

1.03     SUBMITTALS

A.        Boring, drilling or jacking method.

B.        Method of line and grade control.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Steel casing: Section 02618.

B.        Mechanical Seal: Section 07900.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install to line and grade as shown on drawings.

B.        Boring, drilling or jacking opening shall be on a horizontal plane.

C.        Method of boring, drilling or jacking shall include ample means to prevent loss of soil outside of or in front of the pipe and provide adequate provision to assure that no voids will be left outside the pipe during the work or after the work has been completed.

D.        Blasting within the limits of boring, drilling or jacking operation will not be allowed.

E.         Provide adequate control of elevation and direction of the pipe.

F.         Do not cause interruption to use of highway.

1.         Use of open trench method within the limits of boring, drilling or jacking will not be allowed.

G.        No opening for placing casing under PENNDOT highway shall be made closer than three feet to the edge of the roadway, unless the Highway Occupancy Permit authorizes a lesser clearance.

H.        Where practicable, crossings should be made at right angles, but in no case less than a 45 degree angle.

I.          Block both ends of casing with a mechanical seal.

END OF SECTION

SECTION 02226

WASTEWATER LATERAL BORING

PART 1           GENERAL

1.01     DESCRIPTION

A.        Install a wastewater lateral crossing under a highway right-of-way, including boring, casing pipe, lateral pipe and related appurtenances.

1.02     QUALITY ASSURANCE

A.        Comply with applicable requirements of Pennsylvania Department of Transportation Regulations, 67 Pennsylvania Code, Chapter 459; applicable provisions of Pennsylvania Department of Transportation Design Manual, Part 5, Section 12.40 and Highway Occupancy Permit.

1.03     SUBMITTALS

A.        Proposed boring method.

B.        Proposed method of line and grade control.

C.        Manufacturer’s literature, and installation instructions:

1.         Polyethylene pipe.

2.         Heat fusion connection.

3.         Pipe adapters.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Casing pipe:

1.         High density polyethylene plastic with uniform exterior diameter for the length of the boring.

2.         ASTM D3035.

3.         Size:    8″.

B.        Pipe adapters:   HPDE to PVC, FERNCO or equal.

PART 3           EXECUTION

3.01     LOCATION

A.        As shown on drawings.

3.02     INSTALLATION

1. Install to line and grade as shown on drawings.

B.        Minimum slope 1/4″ per foot.

C.        Do not cause interruption to traffic.

1.         Use of open trench method within the limits of boring will not be allowed.

D.        No opening for placing line under PENNDOT highway shall be made closer than three feet to the edge of the roadway, unless the Highway Occupancy Permit authorizes a lesser clearance.

E.         Where practicable, cross at right angles, but in no case less than 45 degrees.

F.         Insert high density polyethylene pipe into boring.

1.         Couple to lateral with flexible adapter.

END OF SECTION

SECTION 02227

WATER SERVICE LINE BORING

PART 1           GENERAL

1.01     DESCRIPTION

A.        Furnish and install a water service pipe crossing under a highway right-of-way, including boring, service line, casing, and all related appurtenances.  Crossing shall be in accordance with applicable sections of PENNDOT Chapter 459 Regulations and the Highway Occupancy Permit.

1.02     SUBMITTALS

A.        Boring method.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Water service line:  Section 02615.

B.        Polyethylene plastic pipe:  (DR 15); AWWA C901-78.

1.         Size:  As required to facilitate installation of service line and for possible future replacement of service line.

2.         Fittings:  Butt heat fusion polyethylene.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install as shown on drawings.

B.        Bore on a horizontal plane.

1.         Minimum depth:  Four feet below roadway surface and its swale ditches.

2.         Horizontal alignment:  Axis of pipe shall not deviate more than two feet either side of the alignment shown on drawings for the total length of bored service line.

3.         Vertical alignment:  Invert of service line shall not deviate from minimum depth, either up or down, by more than six inches for the total length of bored service line for lengths from 0 to 75 feet.

C.        Do not cause interruption to traffic.

1.         Use of open trench method within the limits of boring will not be allowed.

D.        No opening for placing water service line under PENNDOT highway shall be made closer than three feet to the edge of the roadway, unless the Highway Occupancy Permit authorizes a lesser clearance.

E.         Where practicable, cross at right angles, but in no case at an angle less than 45 degrees.

F.         Insert polyethylene plastic pipe in boring.

G.        Insert water service line in polyethylene plastic pipe casing.

END OF SECTION

SECTION 02290

CLAY DIKE

PART 1           GENERAL

1.01     DESCRIPTION

A.        Install clay dike where shown on drawings.

PART 2           PRODUCTS

2.01     CLAY DIKE

A.        Clay shall contain less than 15% (by volume) stone.

1.         Stone to be not larger than two inch diameter.

B.        4″ rolled corrugated unperforated drain pipe.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Clay dike shall extend from the undisturbed ground at bottom of the trench to one foot below finished grade, and 12″ into undisturbed ground on the trench sides for a ten foot length of trench.

B.        Place the clay in four inch layers and compact by mechanical tamper to 95% maximum dry weight density determined by PTM No. 106.

C.        Drain pipe shall extend from the front of the clay dike to drainage way.

D.        Engineer’s Representative shall be present when clay dikes are constructed.

END OF SECTION

SECTION 02575

PAVING RESTORATION

PART 1           GENERAL

1.01     QUALITY ASSURANCE

A.        Requirements of Pennsylvania Department of Transportation:

1.         Operation within state highway right-of-way:  Conform to Pennsylvania Department of Transportation Regulations, 67 Pennsylvania Code, Chapter 459.

1.02     JOB CONDITIONS

A.        Existing conditions: Do not place stone on soft, muddy, or frozen areas, nor until all irregularities in roadway or shoulder has been corrected.

1.03     SUBMITTALS

A.        Certificates:  Delivery tickets.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Coarse aggregate for shoulders and subbase:  PENNDOT No. 2A aggregate.

B.        Bituminous concrete base course:  PENNDOT Publication 408.

C.        Bituminous binder course ID-2:  PENNDOT Publication 408.

D.        Bituminous wearing course ID-2:  PENNDOT Publication 408.

E.         Joint sealer:  Asphalt cement, Class AC-20.

F.         Concrete:

1.         State highway repair:  PENNDOT Class H.E.S. 3750PSI.

2.         Other locations:  PENNDOT Class A, 3300PSI.

PART 3           EXECUTION

3.01     PREPARATION

A.        Saw cut openings in pavement along neat lines.

B.        Paint exposed edges with joint sealer before paving is placed.

C.        Surface seal final joints with joint sealer.

3.02     STATE ROADWAYS

A.        Install as required by PENNDOT Regulations, 67 Pennsylvania Code Chapter 459.

B.        Place in accordance with PENNDOT Publication 408 Specifications.

1. Restore pavement in accordance with Section 459.8(h) PENNDOT Chapter 459 Regulations.

1. Temporary pavement must be placed immediately after trench is backfilled and before the contractor leaves the site at the end of the day.

3.03     BOROUGH AND TOWNSHIP ROADWAYS

A.        Temporary restoration:

1.         Place and compact PENNDOT No. 2RC aggregate on backfilled area level with roadway surface.

a.         Maintain aggregate level with surface for 60 to 180 days before final repair is made.

B.        Permanent paving repair:

1.         Remove temporary restoration measures.

2.         Materials and depths:  As shown on drawings.

3.         Place in accordance with PENNDOT Publication 408 Specifications.

3.04     DRIVEWAYS AND PAVED AREAS

A.        Bituminous surface:

1.         Restore surface in kind or with minimum 2 ½ BCBC and 2 ½” BCBC and 1 ½” ID-2 wearing course over compacted PENNDOT No. 2RC aggregate.

2.         Place in accordance with PENNDOT Publication 408 Specifications.

B.        Concrete surface:

1.         Restore surface in kind or with 8″ concrete reinforced with 6x6x10 wire mesh over compacted PENNDOT No. 2RC aggregate.

C.        Brick surface:

1.         Restore with like bricks on a 4″ wet sand bed.

3.05     SIDEWALKS AND CURBS

A.        Reconstruct curbs and sidewalks a minimum of one foot on each side of damaged area.  Install 3/4″ expansion joint at end of days work or where new sidewalk abuts existing sidewalk.

B.        Restore concrete surfaces with 4″ concrete on bed of compacted PENNDOT No. 2A aggregate.

1. Restore bituminous and brick surfaces to original thickness and/or pattern.

1. Seal joints as per PENNDOT Pub 408, Section 676.

3.06     UNPAVED AREAS

A.        Restore all disturbed properties as nearly as practical to their original condition.

END OF SECTION

SECTION 02600

PRECAST REINFORCED CONCRETE MANHOLE

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Shop drawings.

1.         Precast reinforced concrete manhole.

2.         Grade rings.

3.         Flexible gasket-type sealant.

4.         Manhole frame and cover.

5.         Manhole steps.

6.         Manhole pipe gasket.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Precast reinforced concrete manhole:  ASTM C478.

1.         Manhole opening: 27 inch diameter.

2.         Inside diameter: 48 inch standard.

3.         Flanged base section.

4.         Perform openings in manhole base to accommodate service pipes at time of manufacture.  Pipe gaskets to be cast in place.

5.         Provide a bituminous, waterproof, sunlight resistant, coating on exterior of manhole, minimum dry film thickness 8 mils.

6.         Provide eccentric top section or flat top as required.

7.         Provide grade rings as required.

8.         Acceptable for use in PENNDOT right-of-way.

B.        Manhole frame and cover.

1.         Cast iron, ASTM A48, class 30.

2.         Standard

a.         Frame: Pattern number 109 as manufactured by Allegheny Foundry Co. or equal.

b.         Cover: Pattern number 110 as manufactured by Allegheny Foundry Co. or equal.

3.         Watertight

a.         Frame: Pattern number 109W as manufactured by Allegheny Foundry Co. or equal.

b.         Cover: Pattern number 110 as manufactured by Allegheny Foundry Co. or equal.

c.         Seal: Pattern number 300 as manufactured by Allegheny Foundry Co. or equal.

4.         Acceptable for use in PENNDOT right-of-way.

C.        Manhole steps:

1.         Polypropylene plastic manhole step, type PS4 as manufactured by M.A. Industries, Inc., or equal.

2.         9-1/2″ long x 12″ wide.

3.         Conform to ASTM C478 Section 11.

4.         Steps grouted 3″ to 4″ into manhole wall during manufacture.

D.        Manhole pipe gasket:

1.         Dura-Seal III manhole gasket as manufactured by Dura Tech Inc., or equal.

E.         RUB’ R-NEK butyl rubber flexible gasket type sealant or equal.

1.         Conform to Federal Specification SS-S-210A.

F.         Ready mixed cement concrete for channel shall be 3,300 psi, equivalent to Pennsylvania Department of Transportation Class A cement concrete.

G.        Grout shall be ASTM C270, Type M.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Construct manholes as sections of service between manholes are completed.

B.        Set manhole base on compacted aggregate at depth required to achieve the required pipe inverts.

C.        Join manhole sections, grade rings, and frame with flexible gasket-type sealant.

D.        Set manhole frame to grade using grade rings.

1.         Maximum height of combined grade rings is 12 inches.

2.         Use flat top section when manhole depth is 5′-0″ or less or as shown on drawings.

E.         If field cutting of openings in manhole is necessary, install flexible pipe seal gasket, grout in place, and apply waterproofing.

1. Concrete flow channels must be cast or poured in place.

1. The castings of manholes located on slopes are to be set to approximately match the slope.

1. All incoming and outgoing piping shall have a bell end or approved flexible coupling 2′-0″ from outside wall of manhole.

1. In pavement, shoulder or lawn areas, or within state right-of-way, manholes shall be installed so elevation at top of manhole cover is a flush with finished pavement or grade elevation.

1. Top of manhole covers to be set six inches above grade with frame exposed in wooded areas or fields.

1. Seal all lift holes in manhole walls with non-shrink grout.

1. Install manhole pipe gasket in accordance with manufacturer’s instructions.

1. Pipe shall extend inside manhole a maximum of 2 inches.

1. Invert channels shall be smooth, semi-circular in shape conforming to inside of adjacent sewer section where a change in direction of flow occurs, a smooth curve of as large a radius as size of manhole will permit shall be constructed.  Special care shall be taken to keep concrete from running down in pipes when flow lines are poured.

1. Fasten manhole frame to flat top or cone section and all grade rings of manhole with two 3/4 inch high strength low alloy steel all threads.

END OF SECTION

SECTION 02602

CLEANOUT

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s literature, illustrations, and installation instructions.

B.        Shop drawings.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Traffic load areas.

1.         Cast iron frame and cover.

2.         Concrete – Pennsylvania Department of Transportation Class A, 3,300 psi.

3.         PVC SDR 35 pipe and fittings:  Section 02731.

PART 3           EXECUTION

3.01     LOCATION

A.        As shown on drawings.

3.02     INSTALLATION

A.        Set to grade indicated on drawings.

B.        6″ minimum concrete surrounding vertical section of pipe.

C.        Cast iron frame and cover; bed frame in cement mortar.

END OF SECTION

SECTION 02603

PRESSURE CLEANOUT ASSEMBLY

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s literature, illustrations and installation instructions.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Piping – Section 02735.

B.        Fittings – Section 02736.

C.        Plug Valve – Section 15105.

D.        Cast iron frame and cover – Neenah Castings or equal.

PART 3           EXECUTION

3.01     LOCATION

A.        As shown on drawings.

3.02     INSTALLATION

A.        See to grade as indicated on drawings.

END OF SECTION

SECTION 02610

WATER MAIN PIPE – DUCTILE IRON

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Certified pressure test reports.

1.02     PRODUCT DELIVERY, STORAGE AND HANDLING

A.        Exercise care in transporting and handling to avoid damage to the pipe.

B.        Keep interior of all pipe free from dirt or foreign material.

C.        Keep bottom tier of stacked pipe off ground on timbers, rails, or concrete.

D.        Store gaskets for mechanical and push-on joints in a cool locations out of direct sunlight.

PART 2           PRODUCTS

2.01     WATER MAIN – DUCTILE IRON

A.        Ductile iron pipe centrifugally cast in metal or sand-lined molds:

1.         AWWA C151 (ANSI A21.51).

2.         Joint type:  Push-on joint.

3.         Laying length:  20 feet.

4.         Thickness or class:  Class 52, unless otherwise noted on drawings.

B.        Flanged ductile iron pipe with threaded flanges:

1.         AWWA C115 (ANSI A21.15).

2.         Length:  as shown on drawings.

3.         Thickness or class:  Class 3.

4.         Working pressure:  250 PSI.

5.         Pipe barrel:  AWWA C151.

6.         Bolt circle and bolt holes:  ANSI B16.1, Class 125.

7.         Facing:  Plain faced without projection or raised face.

8.         Bolt holes:  Equally spaced and straddle centerline of pipe.

9.         Bolts:  ANSI B18.2.1.

10.       Nuts:  ANSI B18.2.2.

C.        Inside lining:  Cement-mortar lining, AWWA C104 (ANSI A21.4), standard thickness.

D.        Outside coating:  Bituminous coating approximately 1 mil. thick.

E.         Markings on pipe:

1.         Manufacturer’s name.

2.         Weight.

3.         Length.

4.         Class or nominal thickness.

5.         Casting period.

6.         Year in which pipe was produced.

7.         Letter “DIP” or “DUCTILE” shall be case or stamped on pipe.

2.02     RUBBER GASKETS AND LUBRICANT

A.        AWWA C111 (ANSI A21.11).

PART 3           EXECUTION

3.01     INSPECTION

A.        Examine all pipe for cracks and other defects while pipe is suspended above trench, immediately before installation.  Defective material will be immediately removed from the job site.

3.02     CONNECTION STYLES

A.        Unless otherwise indicated on drawings, push-on joints shall be used for all buried applications and flanged joints shall be used for all non-buried applications.

3.03     ALIGNMENT AND GRADE

A.        As shown on drawings.

B.        Unforeseen obstructions:  When obstructions that are not shown on drawings are encountered during progress of work and interfere so that an alteration of drawings is required, owner will alter drawings or order a deviation in line and grade or arrange for removal, relocations, or reconstruction of obstructions.

C.        Clearance:  Adjust alignment and grade as necessary when crossing existing pipelines or structures, with approval of owner, to provide clearance as required by federal, state or local regulations or as deemed necessary by owner to prevent future damage or contamination of either structure.

D.        Minimum cover over pipe:  4′-0″ unless otherwise shown on drawings or modified due to field conditions.

E.         Contractor will construct water lines on a level or uphill gradient.  This will require additional excavation depth in locations to avoid highpoints at which air could accumulate. If contractor varies from plan depth and creates high points in the main line, contractor may need to install additional air release/air valve assemblies and manholes as per Engineer’s request and at the contractor’s expense.

3.04     INSTALLATION

A.        Install pipe in accordance with manufacturer’s instruction and construction details.

B.        Lower pipe into trench so as to prevent damage to water main material and protective coatings and linings.

1.         Do not drop or dump pipe into trench.

C.        Dewater trench prior to installation.

1.         Dewatering to be in accordance with acceptable erosion and sedimentation measures.

D.        Cleaning pipe:

1.         Remove all lumps, blisters and excess coating from socket and plain ends of each pipe.

2.         Remove all dirt, sand, grit or any other foreign material from outside of plain end and inside of bell before laying pipe.

E.         Pipe placement:

1.         Prevent foreign material from entering pipe while it is being placed in trench.

2.         Do not place debris, tools, clothing or other material in pipe during laying operations.

3.         Assemble joint as each length of pipe is placed.

4.         Place pipe to correct line and grade.

5.         Secure pipe in place with approved backfill material.

F.         Direction of placement:  Bell ends facing direction of laying.

1.         Pipe laid on 10 percent of greater grade:  Begin laying pipe at bottom of grade and proceed upward with bell ends of pipe upgrade.

G.        Pipe plugs:

1.         Pipe laying not in progress:  Close open ends of pipe with water tight plug.

2.         Keep plug in place until trench is pumped dry.

3.05     PUSH-ON JOINT ASSEMBLY

A.        Clean the groove and bell socket.

B.        Insert rubber gasket in gasket recess of bell socket.

C.        Apply lubricant in accordance with manufacturer’s recommendations.

1.         Gasket lubricant supplied by pipe manufacturer for potable water.

D.        Push plain end of pipe into the bell.

E.         Complete joint using forked tool, jack, lever puller or other device approved by owner.

F.         Pipe not furnished with depth mark:  Mark before assembly to assure that spigot end is inserted full depth of joint.

G.        Make deflection after joint is assembled.

1.         Maximum deflection is in accordance with manufacturer’s recommendations.

3.06     PIPE CUTTING

A.        Cut pipe at right angles to pipe axis.

B.        Cut using abrasive pipe saw, rotary wheel cutter, guillotine pipe saw, milling wheel saw, or oxyacetylene torch.

C.        Bevel cut end of pipe with suitable file, pipe lathe, or abrasive disc.

D.        Do not damage cement-mortar lining in ductile iron pipe.

3.07     ELECTRICAL CONDUCTIVITY

A.        If electrical conductivity is required provide as follows:

1.         Cable:

a.         Material:  No. 4 soft annealed 61 strand flexible copper cable.

1.         Cable to be attached to pipe (or fitting, or valve) by “Caldweld” or equal, length as required.  Surface to be welded shall be clean and prepared in accordance with the weld manufacturer’s instructions and be a type recommended by the same for the same for the condition encountered.

2.         Brass wedge.

a.         Insert wedge between bell of one pipe and end of other pipe after push-on joint assembly has been completed.

3.08     WATER MAINS NEAR SANITARY SEWERS

A.        Horizontal separation:

1.         Place water mains at least 10 feet from existing or proposed sanitary sewers.

2.         Conditions prevent separation of 10 feet:

a.         Lay water main in separate trench from sewer.

b.         Lay water main in same trench with sewer with water main located at one side on a bench of undisturbed earth.

c.         Elevation of crown of sewer at least 18 inches below invert of water main for either case.

3.         Conditions prevent separation of 18 inches:  Relocate water main to provide separation or reconstruct water main with mechanical joint pipe for a distance of 10 feet on each side of sewer.

a.         Center full length of pipe over sewer so that both joints are as far from sewer as possible.

B.        Conditions prevent both horizontal and vertical separation:  Concrete encase water main for a distance as required by the PaDEP.

3.09     TESTING

A.        Conduct pressure/leakage testing of water mains:  Section 02676.

B.        Disinfect water mains:  Section 02675.

END OF SECTION

SECTION 02618

STEEL CASING

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s affidavit of compliance for casing pipe.

1.02     PRODUCT DELIVERY, STORAGE AND HANDLING

A.        Handle casing pipe with proper equipment and in a careful manner to prevent distortion or damage.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Steel casing:

1.         Steel pipe:  AWWA C 200-80, ASTM A53.

2.         Defects:

a.         Finished pipe shall be free from injurious defects.

b.         Defects in seamless pipe or in the parent metal of welded pipe shall be considered injurious when the depth of the defect is greater than 12.5 percent of the nominal wall thickness.

c.         All cracks, sweats, and leaks in welds shall be considered injurious.

3.         Repair defects in accordance with section 1.5.2 of AWWA C200-80.

4.         Minimum yield strength:  35,000 psi.

5.         Size, length and thickness as shown on drawings.

6.         Bolt heads and other metal to be coated with bitumastic material.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install casing pipe in accordance with AWWA No. M11.

1.         Weld all casing joints.

B.        Install to line and grade and location as shown on drawings.

C.        Provide skids on carrier pipe to prevent pipe from resting on its joints.

D.        Block both ends of casing with a mechanical seal to prevent the entrance of foreign material.

END OF SECTION

SECTION 02630

WATER MAIN FITTINGS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Statement of net weight of each size of fitting furnished.

C.        Shop drawings:

1.         Dimensions.

2.         Construct details.

3.         Materials of construction.

1.02     PRODUCT DELIVERY, STORAGE AND HANDLING

A.        Exercise care in transporting and handling to avoid damage.

B.        Examine all fittings and accessories at point of delivery and reject defective material.

C.        Store fittings and accessories in area protected from weather.

D.        Do not store materials directly on ground.

E.         Keep interior of all fittings free from dirt or foreign materials.

PART 2           PRODUCTS

2.01     WATER MAIN FITTINGS

A.        AWWA C110 (Bends, tees and crosses, wyes, base bends, base trees, reducers, tapped tees, offsets, sleeves, caps and plugs and connecting pieces).

B.        Fittings shall be cast from gray or ductile iron.

C.        Mechanic joint end connection:  Includes glands, gaskets and bolts.

1.         AWWA C153 (ANSI 21.53).

2.         Gland:  Gray iron, ANSI 21.11.

3.         Bolts and gaskets:  ANSI 21.11.

D.        Flanged joint end connection:  Includes gaskets and bolts.

1.         Bolts circle and bolt holes:  ANSI B16.1, Class 125.

2.         Facing:  Plain faced without projection or raised face.

3.         Bolt holes:  Equally spaced and straddle centerline of fitting.

4.         Bolts:  ANSI B18.2.1.

5.         Nuts:  ANSI B18.2.2.

E.         Working pressure:  250 psi.

F.         Outside coating:  Bituminous coating approximately 1 mil thick.

G.        Inside coating:  Cement-mortar lining, ANSI A21.4 (AWWA C104), standard thickness.

H.        Markings on fittings:

1.         Manufacturer’s identification.

2.         Pressure rating.

3.         Nominal diameters of openings.

4.         Number of degrees or fractions of the circle on all bends.

5.         Ductile iron fittings shall have the letters “DI” or “Ductile” cast on them.

PART 3           EXECUTION

3.01     INSPECTION

A.        Inspect fittings for defects in workmanship and materials.

3.02     INSTALLATION

A.        Unless otherwise shown on drawings, mechanical joint fittings shall be used for all buried applications and flanged joint fittings shall be used for all non-buried applications.

B.        Install fittings in accordance with manufacturer’s instructions and thrust restraint detail.

C.        Locate as shown on drawings.

D.        Thoroughly clean fittings to remove loose rust or foreign material just prior to assembly.

E.         Mechanical joint fittings:

1.         Connecting mechanical joint fittings to aged existing cast iron pipe:  Measure outside diameter of aged pipe prior to cutting.

2.         Provide adequate anchorage against thrust restraint where abrupt changed in direction and dead ends occur.

3.         Keep joint straight during assembly.

4.         Make deflection after joint assembly but before tightening bolts.

5.         Align bolt holes and insert bolts, with bolt holes behind bell flange and tighten opposite nuts to keep gland square with socket.

F.         Flanged fittings:

1.         Flanged faces should bear uniformly on the gasket and bolts should be tightened uniformly.

2.         Anchor, support or restrain fittings as shown on drawings to prevent bending or torsional strains from being applied to cast flanges or flanged fittings.

END OF SECTION

SECTION 02631

COUPLINGS AND ADAPTERS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     COUPLINGS

A.        Manufactured by Dresser Industries, Inc. or equal.

B.        Sizes as shown on drawings.

C.        Style:

1.         Joining steel pipe size outside diameter pipe (IPS OD) to steel pipe size outside diameter pipe:  Dresser Style 38 couplings for steel pipe.

2.         Joining cast iron pipe size outside diameter pipe (CIPS OD) to cast iron pipe size outside diameter pipe:  Dresser style 153 cast couplings for cast iron pipe.

3.         Joining steel pipe size outside diameter pipe to case iron pipe size outside diameter pipe; making actual reductions in pipe size; and when changing the class of pipe:  Dresser Style 62 reducing coupling.

D.        Gasketed, sleeve-type, with diameter to properly fit pipe.

E.         Coupling shall consist of:

1.         Steel or cast iron middle ring or thickness and length specified.

2.         One or two steel or cast iron followers as required.

3.         Two rubber-compounded wedge section gaskets and sufficient track-head steel bolts to properly compress gaskets.

a.         Gasket: Dresser plain grade 27 gasket.

2.02     ADAPTERS

A.        As manufactured by Dresser Industries, Inc. or equal.

B.        Size:  As shown on drawings.

C.        Style:  Dresser Style 127 flanged adapters for joining plain-end pipe to flanged valves, pumps, and fittings.

D.        Gasketed, sleeve-type, with diameter to properly fit pipe.

E.         Adapter shall consist of cast iron adapter of thickness and length specified with rubber-compounded wedge section gaskets and sufficient track-head steel bolts to properly compress gaskets.

1.         Gasket:  Dresser plain grade 27 gasket.

2.         Flange:  Class 123, ANSI B16.1.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install in accordance with manufacturer’s installation instructions.

B.        Assemble couplings or adapters to insure permanently tight joints under all reasonable conditions of expansion, contraction, shifting and settlement.

C.        Provide tie rod axial restraint for all flanged adapter application.

D.        Contractor shall verify size of all couplings or adapters before ordering.

END OF SECTION

SECTION 02635

GATE VALVES

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Shop drawings:

1.         Dimensions.

2.         Construction details.

3.         Materials.

C.        Maintenance data:

1.         Maintenance instructions.

2.         Parts lists.

1.02     PRODUCT DELIVERY, STORAGE, AND HANDLING

A.        Prepare valves and accessories for shipment according to AWWA C509 Section 7.

B.        Seal valve end to prevent entry of foreign material into valve body.

C.        Box, crate, completely enclose, and protect valves and accessories from accumulations of foreign material.

D.        Store valves and accessories in area protected from weather, moisture, or possible damage.

PART 2           PRODUCTS

2.01     GATE VALVES

A.        AWWA C509.

B.        Sizes:  Four inch through eight inch.

1.         Flanged both ends:  Mueller A-2370-6.

2.         Mechanical joint both ends:  Mueller A-2370-20.

C.        Iron body with modified wedge disc.

D.        Stem construction:  Non-rising.  Stems to be extended to within 4′-0″ of final grade.

E.         Stem seals:  O-ring seals above and below thrust collar.

F.         Machine groove in stem directly beneath operating nut.

G.        Resilient rubber seat ring:  Field Replaceable.

H.        Inside surface:  Epoxy coated.

I.          End connections:

1.         Mechanical joint, AWWA C111.

2.         Flanged joint, ANSI B16.1.

J.         Wrench nuts:

1.         Top:  1-15/16 inch square.

2.         Base:  2-inch square.

3.         Height:  1-3/4 inch.

K.        Operators:

1.         Direction of rotation to open:  Left (counter-clockwise) with operator marked to show direction to open.

2.         Handwheels:  Valves in exposed accessible locations.

3.         Wrench nuts without extension stems.

2.02     AWWA GATE VALVES

A.        AWWA C500.

B.        Sizes:  Two inch and three inch.

1.         Flanged both ends:  Mueller A-2380-6.

2.         Mechanical joint both ends:  Mueller A-2380-20.

C.        Iron body, bronze mounted, double disc, parallel seat type.

D.        Stem construction:  Non-rising.

E.         Stem seals:  O-ring seals above and below thrust collar.

F.         Asphalt varnish finish on iron parts.

G.        End constructions:

1.         Mechanical joint, AWWA C111.

2.         Flanged joint, ANSI B16.1.

H.        Operators:

1.         Direction of rotation to open:  Left (counter-clockwise) with operator marked to show direction to open.

2.         Handwheels:  Valves in exposed accessible locations.

PART 3           EXECUTION

3.01     INSPECTION PRIOR TO INSTALLATION

A.        Verify:

1.         Compliance with specifications.

2.         Direction of opening.

3.         Size and shape of operating nut.

4.         Number of turns.

5.         Type of end connections.

B.        Inspect for damage in shipment.

C.        Cycle valve through one complete opening-and-closing cycle to verify operation.

3.02     INSTALLATION

A.        Unless otherwise shown on drawings, mechanical joint and connections shall be used for all buried applications and flanged joint end connections shall be used for all non-buried applications.

B.        Install valves and accessories in accordance with manufacturer’s instructions.

C.        Locate valves as shown on drawings.

D.        Install valves in the closed position.

3.03     ADJUSTMENT

A.        Check and adjust valves and accessories for smooth operation.

END OF SECTION

SECTION 02636

TAPPING SLEEVES AND VALVES

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s literature, illustrations and installation instructions.

B.        Weights: Statement of net assembles weight of each size of tapping sleeve and valve furnished.

C.        Shop drawings:

1.         Dimensions.

2.         Construction details.

3.         Materials.

D.        Maintenance data:

1.         Maintenance instructions.

2.         Parts lists.

1.02     PRODUCT DELIVER, STORAGE AND HANDLING

A.        Prepare valves and accessories for shipment according to AWWA C509 Section 7.

B.        Seal valve ends to prevent entry of foreign material into valve body.

C.        Box, crate, completely enclose, and protect valves and accessories from accumulations of foreign material.

D.        Store valves and accessories in area protected from weather, moisture or possible damage.

E.         Do not store materials directly on ground.

F.         Handle items to prevent damage to interior or exterior surfaces.

PART 2           PRODUCTS

2.01     MECHANICAL JOINT TAPPING SLEEVES

A.        Four inch through 24 inch cast iron or ductile iron, four inch through eight inch asbestos-cement and four inch through 12 inch cast iron outside diameter polyvinyl chloride pipe: Mueller H-615 tapping sleeve with duck-tipped end gaskets, 200 pounds per square inch working pressure.

1.         Use Mueller H-616 for classes C and D cast iron pipe, sizes ten inch and larger.

2.02     TAPPING VALVES

A.        AWWA C509.

B.        Sizes:  Four inch through twelve inch.

1.         Mechanical joint flange ends:  Mueller H-687

C.        Iron body with modified wedge disc.

D.        Stem construction:  Non-rising.

E.         Stem seals:  O-ring seals above and below thrust collar.

F.         Machine groove in stem directly beneath operating nut.

G.        Resilient rubber seat ring:  Field Replaceable.

H.        Inside surface:  Epoxy coated.

I.          End connections:

1.         Mechanical joint, AWWA C111.

2.         Flanged joint, ANSI B16.1.

J.         Wrench nuts:

1.         Top:  1-15/16 inch square.

2.         Base:  2-inch square.

3.         Height:  1-3/4 inch.

K.        Operators:

1.         Direction of rotation to open:  Left (counter-clockwise) with operator marked to show direction to open.

2.         Wrench nuts without extension stems.

PART 3           EXECUTION

3.01     INSPECTION PRIOR TO INSTALLATION

A.        Verify:

1.         Compliance with specifications.

2.         Direction of opening.

3.         Size and shape of operating nut.

4.         Number of turns.

5.         Type of end connections.

B.        Inspect for damage in shipment.

C.        Cycle valve through one complete opening-and-closing cycle to verify operation.

3.02     INSTALLATION

A.        Install valves and accessories in accordance with manufacturer’s instructions.

B.        Locate valves as shown on drawings.

C.        Install valves in the closed position.

3.03     ADJUSTMENT

A.        Check and adjust valves and accessories for smooth operation.

END OF SECTION

SECTION 02640

VALVE BOXES AND COVERS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     VALVE BOXES

A.        Screw type, 2 piece: Tyler or equal.

B.        Shaft: 5-1/4 inch.

C.        Extension range to be determined in field by contractor.

D.        Cast iron construction.

2.02     VALVE BOX COVERS

A.        Type:  Tyler drop lid or equal.

B.        Markings:

1.         Water application:  Embossed with the word “water”.

2.         Sewer application:  Unmarked.

C.        Indents to facilitate removal.

D.        Cast iron construction.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install valve box so as not to transmit shock or stress to valve.

B.        Center valve box over operating nut of valve with box cover flush with surface of finished area.

C.        Set valve box plumb.

END OF SECTION

SECTION 02641

AIR VALVE ASSEMBLY

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     COMBINATION AIR VALVE

A.        Val Matic Valve and Manufacturing Corporation Model No. 201C or equal, combination air release and air/vacuum valve.

1.         Size:  One inch.

2.02     MISCELLANEOUS

A.        Housing:  Precast reinforced concrete manhole:  ASTM C478

1.         Inside diameter – 48 inches.

2.         Flat top – 27″ diameter.

B.        Tubing:  One inch type “K” copper.

C.        Housing Cover:  Cast iron manhole frame and cover – ASTM A48.

1.         Allegheny Foundry Co.

a.         Cover – Pattern #110

b.         Frame – Pattern #109

D.        One inch corporation stop:  Ford or equal.

E.         Service line saddle:  Mueller H-16088 or equal.

F.         Fittings:  As required.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Required at prominent peaks or high elevation points in water supply main as shown on drawings, and in accordance with manufacturer’s recommendations.

END OF SECTION

SECTION 02645

FIRE HYDRANT ASSEMBLY

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Shop drawings:

1.         Dimensions.

2.         Construction details.

3.         Materials.

C.        Maintenance data:

1.         Maintenance instructions.

2.         Parts lists.

1.02     PRODUCTS DELIVERY, STORAGE AND HANDLING

A.        Prepare hydrant and accessories for shipment according to AWWA C502, Section 6.

B.        Seal inlet shoe connection end to prevent entry of foreign material into hydrant.

C.        Store hydrant and appurtenances in area protected from weather elements.

D.        Handle materials to prevent damage to interior or exterior surfaces.

PART 2           PRODUCTS

2.01     DRY-BARREL FIRE HYDRANT ASSEMBLY

A.        AWWA C502.

B.        Hydrant to match existing hydrants; or American Darling B-62-B or equal.

C.        Size of main valve opening:  5-1/5 inches.

D.        Hose nozzles:  Two 2-1/2 inch.

1.         Contractor to verify thread dimensions with local fire company prior to purchasing.

E.         Pumper nozzle:  One four inch.

1.         Contractor to verify thread dimensions with local fire company prior to purchasing.

F.         Minimum depth to bury (Distance from ground to top of connection pipe):

1.         Hydrants in new water main construction:  4′-0″.

2.         New hydrants in existing system:  Depth of bury to be determined in field by contractor.

G.        Type of inlet connection:  Mechanical joint.

H.        Size of inlet connection:  6 inch.

I.          Inlet connection:  Epoxy coated.

J.         Size and shape of operating nut:  National standard 1-1/2 inch pentagon.

K.        Direction of opening:  Left (counter-clockwise).

L.         Color:  To match existing hydrants or by owner.

M.        Drain valve:  Positive automatic.

2.02     MISCELLANEOUS APPURTENANCES

A.        Six inch resilient seat gate valve with valve box and cover.

B.        Hydrant lateral pipe:

1.         Installation of hydrant assembly on new system:  Similar material and class as water main.

2.         Installation of hydrant assembly on existing system:  As shown on drawings.

3.         Length of pipe:  As required to meet field conditions.

C.        Tie rods or high early strength cement concrete thrust block.

D.        Two 4″x8″x16″ concrete solids.

E.         PENNDOT No. 2B stone for drainage pit.

F.         Hydrant tee and other fittings required will be paid for under fittings.

PART 3           EXECUTION

3.01     INSPECTION

A.        Prior to installation, inspect all hydrants for:

1.         Direction of opening.

2.         Nozzle threading.

3.         Operating-nut and cap-nut dimensions.

4.         Tightness of pressure-containing bolting.

5.         Cleanliness of inlet elbow.

6.         Handling damage.

7.         Cracks.

3.02     INSTALLATION

A.        Install hydrant assembly in accordance with manufacturer’s instructions and fire hydrant assembly detail.

B.        Location:  Locate hydrants as shown on drawings.

C.        Hydrants having two-hose nozzles at 90 degrees apart:  Set with each nozzle facing the curb or street at an angle at 45 degrees.

D.        Set hydrant to established grade.

E.         Hydrant set in pervious soil:

1.         Provide drainage at base of hydrant by placing coarse gravel or crushed stone mixed with coarse sand from bottom of trench to at least 6 inches above waste opening in hydrant.

2.         Drainage pit diameter:  Minimum of two feet greater than hydrant barrel.

F.         Hydrant set in clay or other impervious soil:

1.         Excavate drainage pit below hydrant and fill with coarse gravel or crushed stone mixed with coarse sand, under and around the elbow of hydrant to a level 6 inches above waste opening.

2.         Drainage pit:  Two feet in diameter by three feet deep.

G.        Installing hydrant behind curb:

1.         Distance from pumper nozzle cap to gutter face of curb:

a.         Minimum:  6 inches.

b.         Maximum:  12 inches.

H.        Installing hydrant in lawn space between curb and sidewalk or between sidewalk and property line:  Minimum 6 inches between hydrant or nozzle cap and sidewalk.

3.03     ADJUSTMENTS

A.        Check and adjust fire hydrant assembly for smooth operation.

END OF SECTION

SECTION 02650

CORPORATION STOPS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     CORPORATION STOPS

A.        Compression connection outlet for copper service tubing:

1.         3/4 inch size:  Ford model F1000 or equal.

B.        Thread dimensions:  AWWA C800.

C.        Inlet thread:  AWWA taper thread.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Tapping equipment shall be designed such that shavings deposited in interior of pipe will be minimized.

B.        Install corporation stop with service saddle.

C.        Place corporation stop at least one foot from pipe joint.

D.        Place corporation stop at least one foot longitudinally from other corporation stops.

1.         Two feet if on same side of main.

E.         Connect corporation stop to new service line.

END OF SECTION

SECTION 02651

CURB STOPS AND BOXES

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     CURB STOPS

A.        Compression connections for copper service tubing or High Density Polyethylene Type PE 3408 Copper Tube Size:

1.         3/4 inch curb stop at property line:  Ford ball valve curb stop for copper tube service outside diameter both ends.

2.02     CAST IRON SERVICE BOXES

A.        Minneapolis pattern base, Erie style curb boxes, complete with lid and extension rod:  Ford HS-LID or equal.

1.         Shaft size:  2 inches O.D.

2.         Extension range to be determined in field by contractor.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Connect curb stops to service line.

B.        Do not allow dirt or foreign material to enter curb stop opening.

C.        Place a concrete solid under curb box to avoid transmitting curb box weight to curb stop.

D.        Install curb stops and boxes plumb.

END OF SECTION

SECTION 02652

SERVICE SADDLES

PART 1           GENERAL

1.01     QUALITY ASSURANCE

A.        Do not direct tap any pipe.

1.02     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     BRONZE SERVICE SADDLES

A.        Single strap with AWWA taper thread.

B.        Service saddles for use on asbestos-cement, cast iron, ductile iron and cast iron outside diameter polyvinyl chloride pipe:  Mueller H-16080 through H-16093 or equal.

1.         Size of tapping:  3/4 inch through two inch.

2.         Size of pipe:  Four inch through 12 inch.

C.        Service saddle for use on iron pipe outside diameter polyvinyl chloride pipe:  Mueller H-13428 through H-13435 or equal.

1.         Size of tapping:  3/4 inch and one inch.

2.         Size of pipe:  Four inch through 12 inch.

D.        Service line taps larger than one inch on steel outside diameter polyvinyl chloride pipe will require a tee with plug with service tap in plug.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Thoroughly clean surface of pipe prior to attaching saddle.

B.        Place saddle so that outlet is at any angle of 30 degrees above horizontal.

END OF SECTION

SECTION 02653

SERVICE LINE FITTINGS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

PART 2           PRODUCTS

2.01     SERVICE LINE FITTINGS

A.        Copper to copper tubing:  Tyler compression fitting.

B.        Copper to iron pipe tubing:  Dresser style 65 coupling with insulating adapter gasket.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install in accordance with manufacturer’s instructions.

END OF SECTION

SECTION 02665

THRUST RESTRAINTS

PART 1           GENERAL

1.01     DESCRIPTION

A.        Install thrust restraints for the purpose of resisting axial thrusts.  Size restraints in accordance with page 3 of this section.

PART 2           PRODUCTS

2.01     CONCRETE

A.        High early strength concrete:  3750 psi after 28 days.

2.02     TIE RODS

A.        High strength low alloy steel.

B.        3/4 inch.

C.        Threads:  ANSI B1.2.

D.        Gray iron nuts, ANSI 21.11.

E.         Asphaltum varnish or bituminous coating in field.

2.03     DUC-LUGS

A.        Stellar Corporation figure S-14 duc-lugs for four inch to 16 inch mechanical joint pipe, valves, fire hydrants and fittings.

PART 3           EXECUTION

3.01     LOCATE THRUST RESTRAINTS AT THE FOLLOWING

A.        Change in pipeline direction:  Tees, wyes, bends, and crosses.

B.        Change in pipeline size:  Reducers.

C.        Dead end.

D.        Valves.

E.         Hydrants.

F.         Flanged adapters.

3.02     INSTALLATION

A.        Fire hydrant assemblies:  Brace bowl of hydrant against a sufficient area of unexcavated earth at the end of the trench with concrete backing or tie to the pipe with metal tie rods.

B.        Fittings:

1.         Provide with reaction backing, or suitably restrain by attaching metal rods.

2.         Place concrete between solid ground and fitting to be anchored.

3.         Minimum area of bearing against undisturbed earth:  As shown on page 02665-3.

4.         Minimum area of bearing on the fitting:  Diameter of pipe times 8 inches.

5.         Locate concrete so as to contain the resultant thrust force and so that the pipe and fitting joints will be accessible for repair.

*                  See Construction Details

If Concrete Thrust Blocks are used for thrust restraint, all valves, tees, wyes, crosses, plugs, reducers and beds of 10E or more shall be blocked against firm undisturbed earth.

Earth pressure in the above table is estimated to be 2 tons per square foot.  Area of the block must be increased proportionally if the earth encountered will not withstand this pressure.

This table is based on 225 psi test pressure.

Reducer Thrust Force and Block Area Determined as follows:  i.e. 16 x 10 Reducer Thrust Force = 45,200 – 17,800 = 27,400 Pounds; Block Area 11.3-4.4 = 6.9 Square Feet (A_L-A_S)

Allowable Thrust Resistance Per 3/4″ tie Rod = 8,800 Pounds.  Minimum 2 Tie Rods Per Side of Fitting.

SECTION 02672

BLOWOFF HYDRANT

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

1.02     PRODUCT DELIVERY, STORAGE AND HANDLING

A.        Prepare for shipment in accordance with Section 6 of AWWA 502.

B.        Seal inlets to prevent entry of foreign matter.

PART 2           PRODUCTS

2.01     BLOWOFF ASSEMBLY

A.        2″ aboveground mainguard blowoff hydrant model #77 as manufactured by The Kupferle Foundry Company or equal.

1.         2-1/2″ brass NSFT discharge with cap and chain.

2.         Freeze proof hydrant.

3.         All moving parts are brass.

4.         Locking cover on valve access.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install in accordance with manufacturer’s recommendations.

B.        Provide 1 CY of 2A Aggregate as a drainage sump.

C.        Provide thrust restraints.

END OF SECTION

SECTION 02675

WATER DISTRIBUTION SYSTEM – DISINFECTION

PART 1           GENERAL

1.01     SUBMITTALS

A.        Contractor’s method of disinfection.

B.        Chlorine residual field test results.

1.02     QUALITY CONTROL

A.        Water utilized for testing shall be potable.

B.        Hypochlorites supplied shall contain no soluble mineral or organic substances in quantities that would be deleterious or injurious to anyone consuming any water treated with acceptable quantities of hypochlorite.

1.03     PRODUCT DELIVERY, STORAGE AND HANDLING

A.        Prepare hypochlorites for shipment according to AWWA B300, Section 3.

B.        Prepare liquid chlorine for shipment according to AWWA B301, Section 3.

C.        Store hypochlorites in a cool, dry, dark place away from flammable materials.

PART 2           PRODUCTS

2.01     HYPOCHLORITES

A.        AWWA B300.

B.        Calcium hypochlorite granules:

1.         Substantially free from lumps.

2.         Available chlorine by weight when shipped:  Not less than 65 percent.

C.        Calcium hypochlorite tablets:

1.         Uniform in shape.

2.         Weight of tablets:  Not vary more than five percent from average value stated on label.

3.         Available chlorine by weight when shipped:  Not less than 65 percent.

D.        Sodium hypochlorite solution:

1.         Clear liquid.

2.         Insoluble material by weight:  Not more than 0.15 percent.

3.         Available chlorine:  Not less than 100 g/L (ten trade percent).

2.02     LIQUID CHLORINE

A.        AWWA B301.

B.        99.5 percent pure by volume as obtained from vaporized liquid chlorine.

PART 3           EXECUTION

3.01     PREPARATION

A.        Flush main prior to disinfection:

1.         Exception:  When calcium hypochlorite tablets are used.

2.         Minimum flushing velocity:  2.5 feet per second.

3.         Discharge points:  Capable of properly flushing entire system.

3.02     TESTING

A.        Allow water from existing distribution system or other approved source to flow at constant rate into pipeline.

B.        Feed dose of chlorine to water at constant, measured rate.

C.        Apply chlorine in accordance with manufacturer’s instructions.

D.        Proportion the two rates so that the chlorine concentration in the water is maintained at a minimum of 50 mg/L available chlorine.

1.         To assure concentration is maintained, measure chlorine residual at regular intervals in accordance with procedures described in standard methods.

E.         During the application of chlorine manipulate valves to prevent treatment dosage from flowing back into the line supplying the water.

F.         Chlorine application shall not cease until the entire main is filled with chlorine solution.

G.        Minimum time for chlorinated water to remain in main:  24 hours.

H.        Operate all valves and hydrants in section being tested during test period in order to disinfect the appurtenances.

I.          Available chlorine throughout length of main at end of 24 hour test period:  Not less than 25 mg/L.

J.         Flush heavily chlorinated water from main after 24 hour retention period.

1.         Chlorine concentration in water:  No higher than that prevailing in the source or less than 1 mg/L.

a.         Measure chlorine residual to ascertain that heavily chlorinated water has been removed from the pipeline.

K.        A final disinfection of water main is required after any main repair.

3.03     FIELD QUALITY CONTROL

A.        After final flush, and before main is placed in service, collect water samples from representative points along the main and field test for chlorine residual.

1.         Chlorine residual shall be within 50 percent of the chlorine residual prevailing in the source.

B.        If initial disinfection fails to provide satisfactory samples, repeat disinfection until satisfactory samples have been obtained.

3.04     EXERCISE OF CAUTION

A.        Exercise caution when using granular calcium hypochlorite for disinfection of system when solvent weld PVC pipe is used in system.  The introduction of granular calcium hypochlorite with PVC solvent welding materials may result in violent chemical reaction, if a water solution is not used.

END OF SECTION

SECTION 02676

WATER DISTRIBUTION SYSTEM – PRESSURE/LEAKAGE TESTING

PART 1           GENERAL

1.01     TESTING CONSTRAINTS

A.        Allowable leakage:  10 gallons per inch of pipe diameter per mile of pipe per 24 hours.

1.02     QUALITY CONTROL

A.        Water utilized for testing shall be potable.  Source of water is subject to owner approval.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Water for pressure/leakage test:

1.         Supplied by owner.

2.         Transported by contractor.

3.         Owner will establish the amount of water supplied and hours for supplying it.

B.        Pump, pipe connection, electrical generator, and all necessary apparatus for testing shall be furnished by contractor.

C.        Corporation stops and saddles or other means of connecting test apparatus and expelling air from system shall provide service rating at least equivalent to water main which they are tapping.

D.        Means of measuring total leakage:

1.         Open container such as 55-gallon barrel.

2.         Metering device not acceptable.

PART 3           EXECUTION

3.01     PREPARATION

A.        If contractor elects to test water mains prior to disinfection and a public water supply is used as a source of water, place a 3/4 inch corporation stop in the new water main, a 3/4 inch corporation stop in the existing water main, and a backflow preventor in the 3/4 inch line between the two corporation stops.  No other physical connection between the undisinfected main and public water supply is permissible until disinfection of the new main is complete.

B.        Location of test to be determined by owner.

C.        Slowly fill section of main with water and expel air from pipe.

D.        Install corporation stops at high points or dead ends, if permanent air vents or blowoffs are not located at such points so that air can be expelled as main is filled with water.

E.         Close corporation stops after all air is expelled.

3.02     TESTING

A.        Conduct pressure/leakage test of newly laid water mains, valves, fittings, hydrants, and service lines to curb stop.

B.        Test duration:  Two hours.

C.        Test pressure:  150 pounds per square inch.

1.         Based on elevation of lowest point of line, or section under test, and corrected to elevation of test gage.

2.         Allowable pressure drop during test:  Five pounds per square inch.  Re-pump during test to maintain the specified pressure within the specified tolerance.

3.         Pressure at conclusion of testing:  Equal to or greater than pressure at beginning of testing.

D.        Leakage:  Quantity of water supplied into main and appurtenances, or any valve section thereof, to maintain specified test pressure after air in main has been expelled and main filled with water.

3.03     FIELD QUALITY CONTROL

A.        Do not test any section of main which is provided with concrete thrust blocks until at least five days have elapsed after concrete was installed.

B.        If high-early-strength concrete is used in thrust blocks:  Do not test until at least two days have elapsed.

C.        Testing of pipe discloses leakage greater than allowable leakage:

1.         Contractor shall, at his own expense, locate and repair defective pipe or joints until, upon retesting, leakage is within allowable leakage.

2.         All repairs to water mains or appurtenances shall be made with new material.

3.         No caulking of threads, cracks, or holes will be accepted.

4.         Replacement of materials shall be with the same material and thickness as the defective unit.

END OF SECTION

SECTION 02731

GRAVITY WASTEWATER PIPE – PVC

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

1.02     PRODUCT DELIVERY, STORAGE, AND HANDLING

A.        Exercise care in transporting and handling to avoid damage.

B.        Store materials on site in enclosures or under protective coverings.

C.        Materials are not to be stored directly on the ground.

D.        Only stack pipe to the height recommended by the manufacturer.

E.         Stack bells in opposing directions on alternate rows so the bells do not rest on each other.

F.         Keep interior of pipe free from dirt or foreign material.

G.        Store gaskets for push on joints in a cool location and out of direct sunlight.

H.        Do not store materials in State road Right-of-Way or in clear zones as per PennDOT Publication 203.

PART 2           PRODUCTS

2.01     GRAVITY WASTEWATER PIPE – PVC

A.        PVC gravity wastewater pipe and fittings:

1.         ASTM D3034, Type PSM PVC wastewater pipe and fittings, SDR 35.

2.         Pipe:  PVC plastic having a cell classification of 12454-B or 12454-C or 13364-B (with a minimum tensile modulus of 500,000 psi), ASTM D1784.

3.         Push-on joint.

4.         Laying length:  13 feet.

B.        Piping shall be identified with the following:

1.         Manufacturer’s name or trademark.

2.         Nominal size.

3.         PVC cell classification.

4.         PSM.

5.         SDR-35.

6.         PVC sewer pipe.

7.         ASTM D3034.

8.         Code number.

2.02     GASKETS AND LUBRICANTS

A.        Gaskets and lubricants shall be made from materials that are compatible with plastic material and with each other when used together.

B.        Elastomeric gaskets:  ASTM F477.

2.03     ELEVATIONS

A.        Contractor shall use a laser for setting pipe grades.

PART 3           EXECUTION

3.01     INSPECTION

A.        Examine all pipe for cracks and other defects.  Defective pipe shall be immediately removed from the job site.

3.02     ALIGNMENT AND GRADE

A.        Grades are shown on the profile and are the inner side of the invert.

B.        When obstructions that are not shown on drawings are encountered during construction and interfere so that an alteration of drawings is required, the owner will alter the drawings or order a deviation in line and grade or arrange for removal, relocation, or reconstruction of obstructions.

C.        Adjust alignments and grades as required and with owner approval when crossing existing pipelines or structures to provide the clearance as required by federal, state or local regulations or as determined by owner to prevent future damage or contamination of either structure.

1.         Where clearance is less than 6 inches, the owner shall be notified for a decision regarding realignment or adjustment of grade.

D.        Pipe shall be bedded to line and grade with uniform and continuous support.

1.         Blocking shall not be used to bring the pipe to grade.

3.03     INSTALLATION

A.        Pipe and fittings shall be installed in accordance with manufacturer’s instruction and trench detail.

B.        Lower pipe into trench in a manner to prevent damage.

C.        Trench shall be dewatered prior to installing pipe.

1.         Dewater trench in accordance with the erosion and sedimentation control plan.

D.        Thoroughly clean pipe, inside and out, especially at the joints, before installation.

E.         Pipe installation:

1.         Prevent material from entering pipe while it is being placed.

2.         Assemble joints as pipe is placed.

3.         Place pipe to correct line and grade.

4.         Place approved backfill material to secure pipe in place.

F.         Begin laying pipe at bottom of grade and proceed upward with bell ends upgrade.

G.        When pipe laying is not in progress, close open ends of pipe with water tight plug.

3.04     PUSH-ON JOINT ASSEMBLY

A.        Assemble joint in accordance with manufacturer’s instructions.

B.        Clean gasket, bell interior and spigot area to remove any dirt or foreign material.

C.        Install gasket and lubricant in accordance with manufacturer’s instructions.

D.        Assemble pipe by hand or with use of bar and block.

1.         Mechanical equipment, if required, may be used to install pipe eight inches in diameter and larger.

a.         Be sure pipe is not installed past the depth mark.

E.         Pipe not furnished with depth mark shall be marked before assembly to assure that spigot end is inserted full depth of joint.

3.05     PIPE CUTTING

A.        Cut pipe at right angles to pipe axis.

B.        Pipe shall be cut using a pipe cutter, hacksaw, handsaw, or power handsaw.

C.        Ends of cut pipe shall be beveled to the correct taper.

D.        Round off sharp edges on leading edge of bevel.

E.         Mark pipe to obtain proper depth of insertion.

3.06     WASTEWATER MAINS NEAR WATER MAINS

A.        Horizontal separation:

1.         Place wastewater main at least ten feet from existing or proposed water main.

2.         If conditions prevent separation of ten feet:

a.         Place the wastewater main in separate trench from water main.

b.         Place wastewater main in trench with water with wastewater main pipe located at one side on a bench of undisturbed earth.

c.         The elevation of the crown of the wastewater main shall be at least 18 inches below the invert of the water main for either case.

B.        Vertical separation:

1.         Should the wastewater main cross under a water main, the crown of the wastewater main shall be at least 18 inches below the invert of the water main.

2.         If conditions prevent separation of 18 inches; relocate the water main to provide the required separation or reconstruct water main with water tight joint pipe for a distance of ten feet on each side of wastewater main.

a.         Center full length of pipe over wastewater main so that both joints are as far from wastewater main as possible.

C.        If conditions prevent both horizontal and vertical separations, construct both water main and wastewater main with water tight joints and pressure test each main to assure water tightness, then concrete encase wastewater main for a distance of ten feet on both sides of water main.

3.07     ANCHORING ON STEEP SLOPES

A.        Wastewater mains on 20 percent or greater slope shall be anchored with concrete.  Maximum anchor spacing is as follows:

1.         20 percent to 35 percent: 36 feet center to center.

2.         35 percent to 50 percent: 24 feet center to center.

3.         50 percent or greater: 16 feet center to center.

B.        Anchors are to be placed immediately downstream of pipe bells.

3.08     SERVICE LATERAL INSTALLATION

A.        Wastewater service lateral shall be installed at a minimum slope of 1/4″ per foot.

B.        Extend lateral to property line.  If main is already on a private property, extend lateral two feet.  In public right-of-way, extend lateral to two feet beyond the right-of-way.

C.        Locate end of lateral as conditions permit in area between sidewalk and curb or on building side of sidewalk or in lawn area.

D.        The end of a lateral shall not be installed in a roadway, paved areas, sidewalks, driveways, ditch or wet area, or in a location subject to vehicle travel.

E.         Cap and mark the location of the end of the lateral.

1.         Block cap to resist thrust of testing.

2.         Mark location with 2″x4″ wooden stake.

3.         Stake to extend from cap to 1′-0″ above ground.

4.         Place permanent mark on above ground portion of stake to denote the distance to invert of lateral.

F.         After testing, existing services, if present, shall be connected.

G.        Gravity service connections requiring a grinder pump will be provided with a typical gravity lateral.

3.09     TESTING

A.        Conduct alignment, deflection, and leakage testing of sewer mains.

END OF SECTION

SECTION 02734

WASTEWATER PRESSURE SEWER – PVC

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

1.02     PRODUCT DELIVERY, STORAGE, AND HANDLING

A.        Exercise care in transporting and handling to avoid damage.

B.        Do not store materials directly on the ground.

C.        Stack pipe only to the height recommended by manufacturer.

D.        Stack bells in opposing directions on alternate rows, to avoid supporting the full load.

E.         Keep interior of all pipe free from dirt or foreign material.

F.         Store gaskets out of direct sunlight.

PART 2           PRODUCTS

2.01     WASTEWATER PRESSURE SEWER

A.        Polyvinyl chloride pressure pipe:

1.         AWWA C900.

2.         Pipe and coupling materials:  ASTM D1784.

3.         Joint type:  Push-on joint.

4.         Laying length:  13 feet.

1. SDR 21.

B.        Markings on pipe:

1.         Manufacturer’s name or trademark and production record code.

2.         Nominal size and OD base.

3.         Material code designation.

4.         Dimension ratio number.

5.         AWWA pressure class.

6.         AWWA designation number.

7.         National sanitation seal for potable water pipe.

C.        Gaskets and lubricants

1.         Gaskets and lubricants intended for use shall be made from materials that are compatible with plastic material and with each other when used together and will not support growth of bacteria.

2.         Elastomeric gaskets:  ASTM F477.

PART 3           EXECUTION

3.01     INSPECTION

A.        Examine all pipe for cracks and other defects immediately before installation.

1.         Remove any damaged material from site.

3.02     ALIGNMENT AND GRADE

A.        As shown on drawings.

B.        When obstructions that are not shown on drawings are encountered during progress of work and interfere so that an alteration of drawings is required, stop work and notify owner.

C.        Adjust alignment and grade as necessary when crossing existing pipelines or structures, with approval of owner, to provide clearance as required by federal, state or local regulations or as deemed necessary by owner to prevent future damage or contamination of either structure.

1.         Notify owner in all cases where clearance is less than 6 inches for a decision regarding realignment or adjustment of grade.

D.        Bed pipe to line and grade.

E.         Minimum cover over pipe is 4’-0″, unless otherwise shown on drawings or modified due to field conditions.

3.03     INSTALLATION

A.        Install in accordance with manufacturer’s instruction and details.

B.        Lower pipe into trench to prevent damage material.

C.        Trench shall be dewatered prior to installing pipe.

D.        Remove all dirt, sand, grit or any other foreign material from outside of plain end and inside of bell before laying pipe.

E.         Pipe placement:

1.         Prevent material from entering pipe while it is being placed in trench.

2.         Assemble joint as each length of pipe is placed.

3.         Place pipe to correct line and grade.

4.         Secure pipe in place with approved backfill and bedding material.

F.         Direction of placement:  Bell ends facing directions of laying.

1.         Begin installing pipe at bottom of grade and proceed upward with bell ends upgrade.

G.        Pipe plugs:

1.         Pipe laying not in progress:  Close open ends of pipe with water tight plug.

2.         Keep plug in place until trench is pumped dry.

3.04     PUSH-ON JOINT ASSEMBLY

A.        Assemble in accordance with manufacturer’s instructions.

B.        Clean gasket, bell interior and spigot area to remove any dirt or material.

C.        Insert gasket in accordance with manufacturer’s instructions.

D.        Apply lubricant in accordance with manufacturer’s instructions.

E.         Mark piping, if not furnished, before assembly to assure that spigot end is inserted full depth of joint.

3.05     PIPE CUTTING

A.        Cut pipe at right angles to pipe axis.

B.        Bevel cut end of pipe to correct taper.

C.        Round off sharp edges on leading edge of bevel.

D.        Mark pipe to obtain proper depth of insertion.

3.06     TESTING

A.        Conduct alignment and leakage testing of sewer mains.

END OF SECTION

SECTION 02735

WASTEWATER FORCE MAIN

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

1.02     PRODUCT DELIVERY, STORAGE, AND HANDLING

A.        Exercise care in transporting and handling to avoid damage.

B.        Do not store materials directly on the ground.

C.        Stack pipe only to the height recommended by manufacturer.

D.        Stack bells in opposing directions on alternate rows, to avoid supporting the full load.

E.         Keep interior of all pipe free from dirt or foreign material.

F.         Store gaskets out of direct sunlight.

PART 2           PRODUCTS

2.01     WASTEWATER FORCE MAIN (PVC)

A.        Polyvinyl chloride pressure pipe:

1.         AWWA C900.

2.         Pipe and coupling materials:  ASTM D1784.

3.         Joint type:  Push-on joint.

4.         Laying length:  13 feet.

1. SDR-PR, nonthreaded:  SDR 18 for diameters 4” or greater.
2. SDR 21 for diameters less than 4”.

B.        Markings on pipe:

1.         Manufacturer’s name or trademark and production record code.

2.         Nominal size and OD base.

3.         Material code designation.

4.         Dimension ratio number.

5.         AWWA pressure class.

6.         AWWA designation number.

7.         National sanitation seal for potable water pipe.

C.        Gaskets and lubricants

1.         Gaskets and lubricants intended for use shall be made from materials that are compatible with plastic material and with each other when used together and will not support growth of bacteria.

2.         Elastomeric gaskets:  ASTM F477.

2.02     WASTEWATER FORCE MAIN (DUCTILE IRON)

A.        Flanged ductile iron pipe with threaded flanges:

1. AWWA C115 (ANSI A21.15).
2. Length:  As shown on drawings.
3. Thickness or Class:  Class 53.
4. Working Pressure:  250 psi.
5. Pipe barrel:  AWWA C151.
6. Bolt circle and bolt holes:  ANSI B16.1, Class 125.
7. Facing:  Plain faced without projection or raised face.
8. Bolt holes:  Equally spaced and straddle centerline of pipe.
9. Bolts:  ANSI B18.2.1.
10. Nuts:  ANSI B18.2.2.

B.        Inside coating:  Polyethylene lining, manufacturer’s standard thickness, Polybond-Plus by American Cast Iron Company or Protecto 401 by U.S. Pipe.

C.        Outside coating:  Bituminous coating approximately 1 mil. thick.

D.        Markings on pipe:

1. Manufacturer’s name
2. Pipe weight.
3. Pipe length.
4. Class or nominal thickness.
5. Casting period.
6. Year in which pipe was produced.
7. Letter “DIP” or “DUCTILE” shall be cast or stamped on pipe.

1. Rubber gaskets and lubricant.  AWWA C111 (ANSI A21.11).

PART 3           EXECUTION

3.01     INSPECTION

A.        Examine all pipe for cracks and other defects immediately before installation.

1.         Remove any damaged material from site.

3.02     ALIGNMENT AND GRADE

A.        As shown on drawings.

B.        When obstructions that are not shown on drawings are encountered during progress of work and interfere so that an alteration of drawings is required, stop work and notify owner.

C.        Adjust alignment and grade as necessary when crossing existing pipelines or structures, with approval of owner, to provide clearance as required by federal, state or local regulations or as deemed necessary by owner to prevent future damage or contamination of either structure.

1.         Notify owner in all cases where clearance is less than 6 inches for a decision regarding realignment or adjustment of grade.

D.        Bed pipe to line and grade.

E.         Minimum cover over pipe is 4’-0″, unless otherwise shown on drawings or modified due to field conditions.

3.03     INSTALLATION

A.        Install in accordance with manufacturer’s instruction and details.

B.        Lower pipe into trench to prevent damage material.

C.        Trench shall be dewatered prior to installing pipe.

D.        Remove all dirt, sand, grit or any other foreign material from outside of plain end and inside of bell before laying pipe.

E.         Pipe placement:

1.         Prevent material from entering pipe while it is being placed in trench.

2.         Assemble joint as each length of pipe is placed.

3.         Place pipe to correct line and grade.

4.         Secure pipe in place with approved backfill and bedding material.

F.         Direction of placement:  Bell ends facing directions of laying.

1.         Begin installing pipe at bottom of grade and proceed upward with bell ends upgrade.

G.        Pipe plugs:

1.         Pipe laying not in progress:  Close open ends of pipe with water tight plug.

2.         Keep plug in place until trench is pumped dry.

3.04     PUSH-ON JOINT ASSEMBLY

A.        Assemble in accordance with manufacturer’s instructions.

B.        Clean gasket, bell interior and spigot area to remove any dirt or material.

C.        Insert gasket in accordance with manufacturer’s instructions.

D.        Apply lubricant in accordance with manufacturer’s instructions.

E.         Mark piping, if not furnished, before assembly to assure that spigot end is inserted full depth of joint.

3.05     PIPE CUTTING

A.        Cut pipe at right angles to pipe axis.

B.        Bevel cut end of pipe to correct taper.

C.        Round off sharp edges on leading edge of bevel.

D.        Mark pipe to obtain proper depth of insertion.

3.06     TESTING

A.        Conduct alignment and leakage testing of sewer mains.

END OF SECTION

SECTION 02736

WASTEWATER FORCE MAIN FITTINGS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Statement of net weight of each size of fitting furnished.

C.        Shop Drawings:

1.         Dimensions.

2.         Construction details.

3.         Materials.

1.02     PRODUCT DELIVERY, STORAGE, AND HANDLING

A.        Examine all fittings and accessories and reject defective material.

B.        Exercise care during loading, transporting, and unloading to prevent damage to materials.

C.        Do not store directly on the ground, in State Road Right-of-Way or in clear zones as per PennDOT Publication 203.

PART 2           PRODUCTS

2.01     FITTINGS

A.        AWWA C110.

B.        Fittings shall be cast from gray iron or ductile iron.

C.        Mechanical joint end connection:  Including glands, gaskets, and bolts.

1.         AWWA C153 (ANSI 21.53).

2.         Gland:  Gray iron, ANSI 21.11.

1. Bolts and gaskets:  ANSI 21.11.
2. Cement Lined and seal-coated: ANSI/AWWA C104/A21.4

D.        Flanged joint end connection:  Including gaskets and bolts.

1.         Bolt circle and bolt holes:  ANSI B16.1, Class 125.

1. Facing:  Plain faced without projection or raised face.

3.         Bolt holes:  Equally spaced and straddle centerline of fitting.

4.         Bolts:  ANSI B18.2.1.

5.         Nuts:  ANSI B18.2.2.

E.         Working pressure:  250 psi.

1. A bituminous coating, approximately 1 mil thick, shall comprise the outside coating.

1. Inside coating:  Polyethylene lining, manufacturer’s standard thickness, Polybond-Plus by American Cast Iron Company or Protecto 401 by U.S. Pipe.

H.        Markings on fittings:

1.         Manufacturer’s identification.

2.         Pressure rating.

3.         Nominal diameters of openings.

4.         Number of degrees or fractions of the circle on all bends.

5.         Ductile iron fittings shall have the letters “DI” or “Ductile” cast on them.

PART 3           EXECUTION

3.01     GENERAL

A.        Unless otherwise shown on drawings, mechanical joint fittings shall be used for all buried applications and flanged joint fittings shall be used for all non-buried applications.

3.02     INSTALLATION

A.        Install in accordance with manufacturer’s instructions.

B.        Mechanical joint:

1.         Provide adequate anchorage against thrust restraint where abrupt changes in direction occur.

2.         Keep joint straight during assembly.

3.         Make deflection after joint assembly but before tightening bolts.

4.         Align bolt holes and insert bolts, with bolt holes behind bell flange and tighten opposite nuts to keep gland square with socket.

C.        Flanged fittings:

1.         Flanged faces should bear uniformly on the gasket and bolts should be tightened uniformly.

2.         Anchor, support or restrain fittings to prevent bending to torsional strains from being applied to cast flanges or flanged fittings.

END OF SECTION

SECTION 02738

WASTEWATER FORCE MAIN CLEANOUT ASSEMBLY

PART 1           GENERAL

1.01     DESCRIPTION

A.        Furnish and install all materials required for wastewater force main cleanout assembly.

1.02     SUBMITTALS

A.        Manufacturer’s product data and installation information.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Precast manhole:  Section 02601.

1.         Dimensions as shown on details.

B.        Plug valve.

1.         Non-lubricated, tapered plug style.

2.         Flanged end – bolt circle and holes ANSI B16.1.

3.         ANSI Class 150.

4.         Handwheel actuator.

5.         Size as shown on details.

C.        Flanged ductile iron fittings.

PART 3           EXECUTION

3.01     LOCATION

A.        Where shown on drawings.

3.02     INSTALLATION

A.        Install in accordance with manufacturer’s instructions.

END OF SECTION

SECTION 02739

WASTEWATER FORCE MAIN CLEANOUT/AIR VALVE ASSEMBLY

PART 1           GENERAL

1.01     DESCRIPTION

A.        Furnish and install all materials required for wastewater force main cleanout/air valve assembly.

1.02     SUBMITTALS

A.        Manufacturer’s product data and installation information.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Precast manhole:  Section 02601.

1.         Dimensions as shown on details.

B.        Plug valve.

1.         Non-lubricated, tapered plug style.

2.         Flanged end – bolt circle and holes ANSI B16.1.

3.         ANSI Class 150.

4.         Handwheel actuator.

5.         Size as shown on details.

1. Flanged ductile iron fittings: Section: 02736.

1. Air valve assembly: Combination air release and air/vacuum valves as manufactured by Valmatic Valve and Manufacturing Corporation or Equal.

1.         See Section 15127

PART 3           EXECUTION

3.01     LOCATION

A.        Where shown on drawings.

3.02     INSTALLATION

A.        Install in accordance with manufacturer’s instructions.

END OF SECTION

SECTION 02755

TESTING OF WASTEWATER COLLECTION SYSTEM

PART 1           GENERAL

1.01     DESCRIPTION

A.        Alignment testing of pipe shall be performed after backfilling has been completed.

B.        Deflection testing of pipe shall be performed at least 30 days after backfilling.

C.        Leakage testing of pipe shall be performed after laterals have been installed to property line and have been plugged adequately and braced to withstand the test pressure, and the trenches have been backfilled for a minimum of seven days as to generate a reasonable portion of the ultimate trench load upon the pipe.

D.        Manhole leakage testing shall be performed after assembly of manhole, grade rings and frame, but before backfilling. The alternate manhole leakage test using water will be performed prior to backfilling if this test is the chosen method.

1.02     SUBMITTALS

A.        Contractors certification that wastewater mains and laterals meet testing specification requirements.

PART 2           PRODUCTS

2.01     EQUIPMENT

A.        Light source and accessories.

B.        Air compressor.

C.        Portable air control equipment.

1.         Consists of valves and pressure gages used to control the air entry rate to the test section and to monitor air pressure in the test section.

2.         Air control equipment shall include:

a.         Shut-off valve.

b.         Pressure regulating valve.

c.         Pressure reduction valve.

d.         Monitoring pressure gage.

1.         Pressure range:  0 to 10 psi.

2.         Minimum divisions:  0.10 psi.

3.         Accuracy:  + 0.10 psi.

D.        Portable vacuum testing equipment.

1.         Consists of valves and vacuum gages used to control and monitor vacuum in manhole.

2.         Gage:  + 1 percent accuracy.

3.         Vacuum pump.

PART 3           EXECUTION

3.01     ALIGNMENT TEST

A.        Conduct testing throughout the entire collection system between consecutive manholes.

B.        Place source of light at center of pipe in the manhole at the end of pipe length being tested.

C.        A full circle of light must be seen in the manhole opposite where the light source is placed.

1.         If alignment test fails, make adequate repairs and retest.

2.         All repairs and retesting is to be performed at the contractor’s expense.

3.02     DEFLECTION TEST

A.        Conduct testing throughout entire collection system.

B.        Test is to be performed using rigid balls or mandrels with diameters equal to 95 percent of the inside diameter of the pipe.

C.        Mechanical pulling devices are not acceptable.

D.        Maximum pipe deflection permissible is five percent.

E.         All repairs and retesting is to be performed at the contractor’s expense.

3.03     PIPE LEAKAGE TEST

A.        Conduct testing throughout entire collection system, between consecutive manholes.

B.        Plug ends of the section of line to be tested and equipped for the air inlet connection for filling line.

C.        Brace all service laterals, plugs, stubs and fittings in the test section against internal pressure to prevent air leakage by slippage and blowouts.

D.        Connect air hose from tapped plug to portable air control equipment.

E.         Connect another air hose between air compressor and air control equipment.

F.         Slowly introduce air pressure to approximately 4.0 psig.

1.         If ground water is present, determine its elevation above the spring line, (the point at the center of the pipe at which the arch starts upward), of the pipe by means of a piezometric tube.

a.         For every foot of ground water above the spring line of the pipe, increase the starting air test pressure reading by 0.43 psig.

1.         Do not increase test pressure above 10.0 psig.

G.        Allow pressure to stabilize for at least five minutes.

H.        Adjust pressure to 3.5 psig or the increase test pressure as determined above if ground water is present.

I.          Minimum acceptable time in seconds for a pressure drop from 3.5 psig to 3.0 psig is calculated by the following equation:

1.         T = 38.2 x Dw where:

a.         T = Elapsed time in seconds.

b.         Dw = Weighted average pipe diameter.

J.         If the time for air pressure to drop from 3.5 to 3.0 psig is greater than that calculated by the above equation, the section undergoing test will pass.

K.        If the time for the 0.5 psig drop is less than that calculated, the section of pipe undergoing the test fails.

1.         All repairs and retesting is to be performed at the contractor’s expense.

3.04     MANHOLE LEAKAGE TEST

A.        Plugs and brace pipe openings in manhole.

B.        Set vacuum tester in frame.

C.        Connect vacuum pump to outlet port of vacuum tester with valve open.

D.        Draw a vacuum to 10 inch of mercury and close valve.

E.         If the vacuum drops below 9 inches of mercury in one minute, the manhole fails the test.

1.         Make repairs and retest at contractor’s expense.

3.05     ALTERNATE MANHOLE LEAKAGE TEST

A.        Plug and brace pipe openings in manhole.

B.        Fill manhole with water and leave overnight to allow for concrete absorption.

1.         Contractor is responsible for securing water for test.

2.         The following morning, fill the manhole to top of frame.

3.         Groundwater level shall be maintained below bottom of manhole during test.

C.        Test for leakage for one hour.

1.         At end of test period add sufficient water to bring water back to top of frame.

1. Water shall be added from known size contained (ie 1 gallon graduated bucket).
2. If the loss of water exceeds 0.20 gallons per foot of depth of manhole, in the one hour test period, the manhole fails the test.

D.        Disposal of test water shall not be via the sanitary sewer system.  The contractor is responsible for disposing of the test water without causing a nuisance of excessive erosion.

3.06     LATERAL LEAKAGE TEST

A.        Acceptable tests include air test as stated above in section 3.03 and a water column test which includes a 10 foot column of water with no measurable water loss over a period of fifteen minutes.

1.         Water column test to be performed at foundation wall.

2.         Water being used for testing to fill the entire length of the lateral from foundation wall to observation port.

a. Water to be supplied by property owner.

3.07     OVERALL SYSTEM LEAKAGE TEST

A.        Conduct prior to system final acceptance and customers connecting to system.

B.        Flush system to remove dirt and debris two days prior to overall leakage test.

C.        Dewater collection system.

1.         Contractor is responsible for disposing of water without causing a nuisance or excessive erosion.

2.         Monitor overall system leakage with weir.

D.        Visual observation at lowest gravity manhole(s) must be dry.

1.         The required repairs and retesting shall be at the contractor’s expense.

END OF SECTION

SECTION 02756

WASTEWATER FORCE MAIN TESTING

PART 1           GENERAL

1.01     REQUIREMENTS

A.        Allowable leakage:  10 gallons per inch of pipe diameter per mile of pipe per 24 hours.

1.02     SUBMITTALS

A.        Certificates:  Contractors certification that wastewater force main meet testing specification requirements.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Water for pressure/leakage test shall be furnished by contractor and approved by owner.

B.        Pump, pipe connection and all necessary apparatus for testing shall be furnished by contractor.

C.        Corporation stops and saddles or other means of connecting test apparatus and expelling air from system shall provide service rating at least equivalent to water main which they are tapping.

D.        Means of measuring total leakage:

1.         Open container such as 55 gallon barrel.

2.         Metering device not acceptable.

PART 3           EXECUTION

3.01     PREPARATION

A.        Test location shall be determined by owner.

B.        Fill section of main slowly with water to expel air from pipe.

C.        Install corporation stops at high points or dead ends, if permanent air vents or blowoffs are not located at such points so that air can be expelled as main is filled with water.

D.        Close corporation stops after all air is expelled.

3.02     TESTING

A.        Test duration shall be a minimum of two hours.

B.        Test pressure shall be 150 pounds per square inch.

1.         Pressure is based on elevation of lowest point of line, or section under test, and corrected to elevation of test gage.

2.         The allowable pressure drop during test is five pounds per square inch.  Re-pump during test to maintain the specified pressure within the specified tolerance.

3.         The pressure at conclusion of testing shall be equal to or greater than pressure at beginning of testing.

C.        The quantity of water supplied into main to maintain specified test pressure after air in main has been expelled and main filled with water is defined as the leakage.

3.03     FIELD QUALITY CONTROL

A.        Do not test any section of main which is provided with concrete thrust blocks until at least five days after concrete was installed.  If high-early-strength concrete was used in thrust blocks, do not test until at least two days have elapsed.

B.        If testing of pipe discloses leakage greater than allowable leakage:

1.         Contractor shall, at his own expense, locate and repair defective pipe or joints until, upon retesting, leakage is within allowable leakage.

2.         All repairs to force mains shall be made with new material.

3.         No caulking of threads, cracks, or holes will be accepted.

4.         Replacement of materials shall be with the same material and thickness as the defective unit.

END OF SECTION

SECTION 02758

UTILITY LINE LOCATION MARKERS

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

1.02     PRODUCT DELIVERY, STORAGE, AND HANDLING

A.        Deliver materials to project site in manufacturer’s original packaging and store according to their recommendations.

PART 2           PRODUCTS

2.01     UTILITY LINE LOCATION MARKERS

A.        Utility line location markers shall be manufactured by the Carsonite International Corporation or equal.

B.        Post length is 72 inches.

C.        Post color is white.

D.        Water main decal type:  Carsonite catalog no. CW-112.

1.         Color:  Blue.

2.         Type:  Caution water main.

E.         Wastewater main decal type:  Carsonite catalog no. CS-0225.

1.         Color:  Green.

2.         Type:  Caution wastewater main.

F.         Decals to meet REA and Office of Safety Operations specifications.

G.        Color coding for posts and decals to be in accordance with the American Public Works Association and One Call Systems recommendations.

H.        Carsonite barb attachments for permanent anchoring of posts in loose, sandy or marshy soils.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Set marker plumb, a minimum of one foot above center of the water/wastewater main.

B.        Depth of bury shall be three feet.

C.        Place markers where water/wastewater mains are installed in fields or wooded areas.

1.         Markers to be located at bends and spacing not greater than 300 feet or as directed by owners representative.

D.        Comply with manufacturer’s instructions for installation.

END OF SECTION

SECTION 02780

STREAM CROSSINGS

PART 1           GENERAL

1.01     DESCRIPTION

A.        Installation of concrete encased pipeline or boring beneath a waterway.

1.02     REGULATORY AGENCIES

A.        Work is subject to supervision by representative of Pennsylvania Department of Environmental Protection and the Soil Conservation District.

1.03     REQUIREMENTS OF REGULATORY AGENCIES

A.        Contractor shall be apprised of all the provisions and conditions of the General Permit 5 and Erosion and Sedimentation Control Plan.

1.         Contractor will be given a copy of the permits for his files.

B.        A permit must be secured from Pennsylvania Fish Commission if the use of explosives is required.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Encasement concrete:  PENNDOT 3750 PSI, H.E.S.

PART 3           EXECUTION

3.01     PERFORMANCE

A.        Comply with rules and regulations of Pennsylvania Department of Environmental Protection and Pennsylvania Fish Commission.

B.        Take sufficient precautions to prevent pollution of streams with fuels, oils, bitumens, calcium chloride, or other harmful materials.

C.        Schedule and conduct construction operations to prevent the pollution of streams with sediment or other deleterious materials.

D.        Remove construction debris, excavation material, brush, rocks, and refuse incidental to the work entirely from stream channel and remove from site.

E.         Utilize coffer dams, levees, diversion trenches, etc., to obtain the required stream diversion and erosion control.

F.         Notify the Department of Environmental Protection prior to the commencement of work.

G.        After stream-bed excavation work is completed, return surface water flow to its original  course.

1. Riprap all disturbed stream banks utilizing the appropriate size material for stream conditions.

END OF SECTION

SECTION 02930

SEEDING

PART 1           GENERAL

1.01     DESCRIPTION

A.        Seed and mulch areas disturbed by project construction activity.

B.        Lawn seeding:  PENNDOT Formula B seed mixture on regularly mowed grass covered areas.

C.        Slope seeding:  PENNDOT Formula C seed mixture on slopes 3:1 or greater.

D.        Ditch seeding:  PENNDOT Formula D.

E.         Temporary seeding:  PENNDOT Formula E.

F.         Wetland area seeding:  PENNDOT Formula E.

1.02     QUALITY ASSURANCE

A.        Source quality control:  Seed producer’s tests for purity and germination of seed, dated within nine months of sowing.

1.03     SUBMITTAL

A.        Test reports:

1.         Submit seed vendor’s certified statement for grass seed mixture required, stating botanical and common name, percentage by weight and percentages of purity, germination and weed seed.

2.         Results of soil test.

B.        Manufacturer’s product data.

1.04     DELIVERY, STORAGE, AND HANDLING

A.        Deliver grass seed in original containers showing analysis of seed mixture, percentage of pure seed, year of production, net weight, date of packaging and location of packaging.

1.         Damaged packages are not acceptable.

B.        Deliver fertilizer in waterproof bags showing weight, chemical analysis, and name of manufacturer.

1.05     JOB CONDITIONS

A.        Existing conditions:  perform seeding only after preceding work affecting ground surface is completed.

B.        Environmental requirements:

1.         Do not perform seeding when wind exceeds 15 miles per hour.

2.         Seed between following dates:

a.         Formula B and D:  March 15 to June 1, August 1 to October 15.

b.         Formula C:  Ryegrass portion – March 1 to October 15, Crownvetch portion – anytime except September and October.

c.         Formula E:  March 15 to October 15.

C.        Protection:  Restrict foot and vehicular traffic from seeded areas after planting to end of the established period.

D.        Do not deliver or spread topsoil in a frozen or muddy condition.

PART 2           PRODUCTS

2.01     SEED

E.         Shipment: Accompanied by a certified weight slip, and an analysis of the composition, purity and germination of the seed mixture certified by the seed house.

F.         Packaging: Furnished and delivered in sealed containers or bags sewn tight or sealed.

G.        Labeling: In accordance with prevailing State Law, Rules and Regulations.

H.        Guarantee: Meeting the minimum specified requirements on the date of sowing regardless of the guarantee of qualities on dates of testing.

1.         Seed that has become wet, moldy or otherwise damaged in transit or storage will not be acceptable.

2.02     FERTILIZER

A.        Commercial type, conforming to the requirements of the Pennsylvania Soil Conditioner and Plant Growth Substance Law.

1. Use dry formulations of 10-20-20 analysis for seeded areas.

1. NOTE: Fertilizer not to be used in wetland areas.

2.03     LIME

A.        Delivered to the site, stored in a dry area in the original containers which bear the manufacturer’s guaranteed statement of analysis.

1.         Lime: Raw, ground agricultural limestone containing not less than 90% calcium carbonate and ground to such a fineness that 50% will pass through a 100 mesh sieve and 90% will pass through a 20 mesh sieve.

2.         Maintain a record of all tonnage of lime applied.

1. NOTE:  Lime not to be used in wetland areas.

2.04     WATER

A.        Water used in the work will be suitable for irrigation and free from ingredients harmful to plant life.

1.         Hose and other water equipment required for the work furnished by the contractor.

2.05     TOPSOIL

1. Existing topsoil to be respread over disturbed area.
2. A minimum of 4 inches of topsoil must be placed.
3. If sufficient topsoil does not exist on the property, supply topsoil in accordance with PENNDOT Publication 408, Section 802.2.
4. If excess topsoil is available, property owner approval is required for removal.

2.06     ACCESSORIES

A.        Mulching material: In accordance with PENNDOT Publication 408, Section 805.

PART 3           EXECUTION

3.01     INSPECTION

A.        Check that preceding work affecting ground surface is completed.

B.        Verify that soil is unfrozen.

3.02     PREPARATION

A.        Scarify undisturbed subsoil to a depth of two inches prior to placement of topsoil.  Remove rocks and other objects over two inches in diameter.

B.        Furnish and/or spread topsoil as needed to obtain depth required.  Do not compact.

C.        Cultivate topsoil until surface is smooth.

D.        Remove from site, foreign materials collected during cultivation.

E.         Grade to eliminate rough spots and low areas where ponding may occur.

1.         Maintain smooth, uniform grade.

F.         Assure positive drainage away from buildings.

H.        Finish ground level firm and sufficient to prevent sinkage pockets when irrigation is applied.

3.03     FERTILIZING

A.        Apply after fine grading and mix thoroughly into upper two inches of topsoil.

B.        If a soil-test is not utilized, apply 800 pounds of agricultural-grade limestone and 140 pounds of 10-20-20 analysis commercial fertilizer for 1,000 square yards.

C.        Apply after fine grade and mix thoroughly into upper two inches of topsoil.

D.        Do not apply grass seed and fertilizer at same time, in same machine.

E.         Lightly water to aid breakdown of fertilizer and to provide moist soil for seed.

3.04     SEEDING

A.        Broadcast half of seed with mechanical seeder or by hand.

B.        Broadcast remaining half of seed at right angles to first seeding pattern, using same broadcast method.

C.        Seeding rate:

1.         Formula B:      21 pounds per 1,000 square yards.

2.         Formula C:      9 pounds per 1,000 square yards.

3.         Formula D:      21 pounds per 1,000 square yards.

4.         Formula E:      10 pounds per 1,000 square yards.

D.        Do not sow immediately following rain, when ground is too dry, or during windy periods.

E.         Cover seed to a depth of 2 inch by raking, harrowing or cultipacking.

F.         Roll seeded area with roller not exceeding 65 pounds per foot of width.

G.        Apply water with fine spray immediately after each area has been sown.

H.        Apply mulch in accordance with PENNDOT 408 Specifications.

3.05     HYDROSEEDING

A.        Apply slurry evenly at rate recommended by manufacturer, in tow intersecting directions and with hydraulic seeder.

B.        Immediately following hydroseeding, mulch areas by means of mulch blower at rate of 1,200 pounds per 1,000 square yards on level grades, 2,000 pounds on slopes.

C.        Do not seed area in excess of that which can be mulched on same day.

3.06     SEED PROTECTION ON SLOPES

A.        Cover seeded slopes where grade is 3:1 or greater with jute matting.

1.         Role matting down over slopes without stretching or pulling.

B.        Lay matting smoothly on soil surface, burying top end of each section in narrow six inch trench.

1.         Leave 12 inch overlap from top roll over bottom roll.

2.         Leave four inch overlap over adjacent section.

C.        Staple outside edges and overlaps at 36 inch intervals.

3.07     PROTECTION

A.        Immediately after seeding, protect seeded areas from traffic until grass is established.

3.08     MAINTENANCE

A.        Maintain seeded area immediately after placement for ten week period or until grass is well established and exhibits a vigorous growing condition.

B.        Maintain surfaces and supply additional topsoil where necessary, including areas affected by erosion.

C.        Water to ensure uniform seed germination and to keep surfaces of soil damp.

D.        Apply water slowly so that surface of soil will not puddle and crust.

3.09     CLEAN UP

A.        Dispose of excess materials and debris, including, but not limited to, branches, paper and rubbish resulting from this work.

B.        All areas shall be kept neat and clean and upon completion of work, the site shall be left in an orderly condition.

END OF SECTION

SECTION 03320

CONCRETE ENCASEMENT

PART 1           GENERAL

1.01     SUBMITTALS

A.        Delivery tickets.

1.02     PRODUCT DELIVERY AND HANDLING

A.        Vehicles for transporting plant-mixed cement concrete shall be capable of maintaining concrete in a thoroughly mixed and uniform state and be capable of discharging without segregation.

B.        Concrete to be discharged from mixers within 1-1/2 hours after the completion of mixing.

C.        Time between completion of mixing and discharge not to exceed one hour when hot weather or conditions contributing to quick stiffening or when temperature of concrete is 85 degrees F or above.

D.        After mixing, time between agitating shall not exceed 30 consecutive minutes each.

E.         Concrete shall be agitated for at least 20 revolutions at the end of any dormant period.

F.         Maximum time interval between placing succeeding batches is 30 minutes.

G.        Interior surfaces of conveying equipment, including chutes and tremies, shall be kept free from hardened concrete, debris, water and other deleterious materials.

1.03     WEATHER PLACING REQUIREMENTS

A.        Do not place concrete during rain, sleet or snow unless protection is provided.

B.        Allowable concrete temperature:

1.         Cold weather:

a.         Minimum:  50 degrees F.

b.         Maximum:  80 degrees F.

2.         Hot weather:  Maximum 90 degrees F.

C.        Minimum air temperature for placing concrete:  40 degrees F.

1.         If temperature falls below 40 degrees F, cold weather placement requirements must be followed.

D.        Minimum air temperature for placing joint sealer is 40 degrees F.

E.         Air temperatures to be taken in the shade.

F.         Cold weather placing shall comply with ACI 306 to protect concrete work from physical damage and reduced strength which would be caused by frost, freezing actions or low temperatures.

G.        Hot weather placing:

1.         Use chilled mixing water or chopped ice to control temperature.

a.         Calculate water equivalent of ice to total amount of water.

2.         Use set-control admixtures in mix.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Ready mixed cement concrete:  3,750 psi, equivalent to Pennsylvania Department of Transportation high early strength cement concrete.

1.         3 day strength – 3,000 psi.

2.         28 day strength – 3,750 psi.

3.         Cement:  Type Ia, ASTM C150.

a.         Approximate amount of entrapped air:  5.5 percent.

2.02     CEMENT-CONCRETE MIXES

A.        Comply with the mix and test requirements of the Pennsylvania Department of Transportation Publication 408 Specifications.

PART 3           EXECUTION

3.01     LOCATION

A.        Place encasement concrete as shown on drawings.

B.        Encase water, wastewater mains and/or stormwater piping where required:

1.         Stream crossings.

2.         Ditch crossings where mains are susceptible to excessive groundwater or are somewhat shallower than desired.

3.         Where proper separation from existing utilities cannot be maintained.

3.02     FLOTATION CONTROL

A.        Provide a suitable anchoring system to prevent movement of the pipe during concrete placement.

3.03     PLACING CONCRETE

A.        Convey concrete from mixer to final position by method which will prevent separation or loss of material.

B.        Maximum height of concrete free fall shall be four feet.

C.        Regulate rate of placement so concrete remains plastic and flows into position.

D.        Deposit concrete in continuous operation until length of pipe to be encased is completed.

E.         Place concrete in horizontal layers of such thickness that no concrete will be placed on concrete which has hardened sufficiently to cause the formation of seams or planes or weakness within the section.

1.         Maximum thickness:

a.         Vibrated:  18 inches.

b.         Spaded:  8 inches.

F.         Consolidate concrete immediately after placing by hand-spading, rodding, tamping, or vibrating.

1.         Vibrators are to be used for consolidation only and not to move concrete.

3.04     CURING

A.        During interval of time after placing concrete until backfilling, water cure concrete using double thickness of burlap conforming to requirements of AASHTO M 182, Class I, for burlap cloth.

3.05     BACKFILLING

A.        Backfill spaces adjacent to encasement after concrete has cured for a period of not less than 12 hours.

B.        Backfilling shall comply with Section 02221.

END OF SECTION

SECTION 03482

GREASE AND OIL INTERCEPTOR TANK

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s literature, illustrations, and installation instructions.

B.        Shop drawings:

1.         Precast reinforced concrete tank.

2.         Flexible gasket-type sealant.

PART 2           PRODUCTS

2.01     MATERIALS

A.        Precast reinforced concrete tank:

1.         Nominal size: 250 gallons

2.         Tank to have sealed concrete cover.

3.         Provide outlet baffle.

4.         Provide inspection port after outlet baffle.

5.         Provide access opening.

6.         Provide coupling on inlet and outlet pipes.

B.        Pipe gasket:

1.         Dura Tech, Inc., Dura Seal III gasket or equal.

2.         Conform to physical requirements for ASTM C443.

C.        Flexible gasket-type sealant:  RUB’R-NEK butyl rubber sealant or equal.

1.         Conform to Federal Specifications SS-S-210A.

2.         Size:  One inch.

D.        Grout:  ASTM C270, Type M.

PART 3           EXECUTION

3.01     LOCATION

A.        As shown on drawings or as required.

3.02     INSTALLATION

A.        Join vault sections with flexible gasket-type sealant in accordance with manufacturer’s instructions.

B.        Set vaults to grade required.

C.        Seal lift holes in vault walls with non-shrink grout.

D.        Install pipe gasket in accordance with manufacturer’s instructions from gravity flow pipe.

E.         Pipe penetrations shall be caulked between steel sleeve and pipe or conduit.

F.         Extend observation port and access opening to grade.

END OF SECTION

SECTION 11308

GRINDER PUMP PACKAGE

PART 1           GENERAL

1.01     DESCRIPTION

A.        Furnish and deliver grinder pump packages with all accessories required to obtain a complete and functional installation.

1.02     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Wiring diagrams.

C.        Operation and maintenance manual and parts list.

1.03     INSTRUCTION OF OWNER’S PERSONNEL

A.        Prior to final inspection or acceptance, fully instruct owner’s designated operating and maintenance personnel in operation, adjustment and maintenance of all products, equipment, and systems.

PART 2           PRODUCTS

2.01     GRINDER PUMP PACKAGE

A.        Model: Environment One Corporation Model 2010-93 grinder pump package or equal.

1.         Discharge Capacities:

a.         9 GPM @ 138 FT TDH, 15 GPM @ 0 FT TDH.

2.         Horsepower:  1 HP (Environment One)

3.         Pump discharge:  1 1/4″, 304 stainless steel

4.         Motor: single phase, capacitor – start, induction motor with integral automatic reset thermal overload protection, 1750 RPM, 240 volt, 60 Hertz.

5.         Hardened stainless steel cutters and rotor.

6.         Semi-positive displacement.

B.        HDPE (high density polyethylene) reinforced exterior tank.

C.        Double check valves and 1-1/4″ stainless steel ball valve.

D.        Accessway to grade with watertight molded fiberglass cover.

E.         2″ internal tank vent.

F.         Pump core complete with operating and high water alarm micro-pressure switches with sensing bells, electric quick disconnect and 75 ft. – 6 conductor lead-in cable.

G.        Anti-siphon valve.

H.        Alarm/disconnect panel, NEMA 3R with alarm light and silencing switch.

I.          Complete U.L. listed package.

J.         2-year warranty includes parts labor.

K.        5 year minimum experience in the design and manufacture of grinder pumps specifically intended for use in pressure sewage system.

L.         Factory authorized service center located within 100 miles of project.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Install in accordance with manufacturer’s installation instructions.

END OF SECTION

SECTION 15094

PIPE SUPPORT

PART 1           GENERAL

1.01     SUBMITTALS

A.        Manufacturer’s product data and installation instructions.

B.        Shop drawings:

1.         Dimensions.

2.         Construction details.

3.         Materials.

4.         Maximum load.

1.02     SUPPORT SPACING

A.        Maximum support spacing:

1.         Up to two inch pipe:  Five feet.

2.         2-1/2 inch to 3-1/2 inch pipe:  Seven feet.

3.         Four inch to eight inch pipe:  Eight feet.

PART 2           PRODUCTS

2.01     FABRICATED CONCRETE AND STEEL SUPPORTS

A.        Field erect cast-in-place concrete supports.

B.        Shop fabricate steel supports.

PART 3           EXECUTION

3.01     INSTALLATION

A.        Locate supports and accessories to support pipelines, valves, and additional concentrated loads and within maximum span lengths.

B.        Adjust supports and place grout for concrete supports to bring pipelines to proper elevations.

END OF SECTION