604DRAINAGE STRUCTURES

604-1 01

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 603.83xxxx Corrugated Steel Pipe -Arch Polym er Coated Paved Invert (2 2/3 x 1/2) Foot 603.84xxxx Corrugated Steel Pipe -Polymer Coated (3x1) or (5x1) Foot 603.85xxxx Corrugated Steel Pi pe-Polymer Coated Paved Invert (3x1) or (5x1) Foot 603.86xxxx Corrugated Steel Pipe -Arch Polymer Coated (3x1) or (5x1) Foot 603.87xxxx Corrugated Steel Pipe -Arch Polymer Coated Paved Invert (3x1) or (5x1) Foot 603.88xxxx Corrugated Steel Pipe -Aluminum Coated (Type II) (2 2/3 x 1/2) Foot 603.89xxxx Corrugated Steel Pipe -Arch Alum inum Coated(Type II) (2 2/3 x 1/2) Foot 603.90xxxx Corrugated Steel Pipe-Aluminum Coated (Type II)(3x1) or (5x1) Foot 603.91xxxx Corrugated Steel Pipe -Arch Aluminum Coated(Type II)(3x1) or (5x1) Foot 603.92xxxx Corrugated Steel Pipe -Aluminum Coated (Type 2) Type IR Foot 603.93xxxx Corrugated Steel Pipe -Arch Aluminum Coated (Type 2) Type IIR Foot 603.95xx Ductile Iron Pipe Foot 603.96xxxx Smooth Lined Corrugated Aluminum Pipe (2 2/3 x 1/2) Foot 603.97xxxx Smooth Lined Corrugated Aluminum Pipe (3 x 1) Foot 603.98xx Smooth Interior Corr ugated Polyethylene Culvert and Storm Drain Pipe Foot 603.99 Relaying Pipe Foot Refer to Standard Contract Pay Item Catalog for full Item Number and full Description. Numbers in parentheses (without denota tion) are spacing and depth of corrugations in inches. SECTION 604 - DRAINAGE STRUCTURES

604-1 Description

604-1.01 General. This work shall consist of the construction or alteration of drainage structures,

manholes, leaching basins and transverse drainage interceptors in accordance with these specifications, the contract plans and the standard sheets.

604-1.02 Adjustment Rings and Frames for Drainage Structures and Manholes. The Contractor

shall furnish and install prefabricated adjustment rings and frames for drainage structures and manholes. The extensions shall elevate and support drainage structure grates or manhole covers without the necessity of removing the original d rainage structure frame or manhole casting, when the roadway is resurfaced.

604-2 Materials

604-2.01 Drainage Structures and Manholes. Materials used for the construction of drainage structures

and manholes shall be as indicated on the plans, and/or Standard Sheets, and shall conform to the requirements of the following: Cast-in-Place Concrete - Class A 501 Frames and Grates 655 Concrete Repair Material 701-04 Concrete Grouting Material 701-05 Concrete Repair Material - High Early Strength 701 -12 Precast Concrete Driveway and Sidewalk Pavers. 704-13 Premolded Resilient Joint Filler 705-07 Masonry Mortar 705-21 Reinforced Concrete Pipe 706 02 Precast Concrete Drainage Units 706-04 Bar Reinforcement, Grade 60 709-01

604-2 02

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 Wire Fabric for Concrete Reinforcement 709-02 Cold Drawn Wire for Concrete Reinforcement 709-09 Steps for Manholes 725-02

604-2.02 Transverse Drainage Interceptors. Materials used for the construction of transverse drainage

interceptors shall meet the requirements of §604 -2.01, except that bar reinforcement shall meet the requirements of §709 -04, Epoxy Coated Bar Reinforcement, Grade 60. Transverse drainage interceptors, if precast, shall meet the requirements of §706 -04, Precast Concrete Drainage Units. Dowels shall be fabricated from epoxy coated bar reinforcement conforming to §709 -04.

604-2.03 Leaching Basins . Materials used for the construction of leaching basins shall conform to the

requirements of §604 -2.01 and shall be as indicated on the plans. Concrete for precast units shall conform to the requirements of §706 -04, Precast Concrete Drainage Units.

604-2.04 Adjustment Rings and Frames for Drainage Structures and Manholes. Materials for

prefabricated adjustment rings and frames for drainage structures and manholes shall conform to the following: Prefabricated Adjustment Rings & Frames for Drainage Units & Manholes 715-13

604-2.05 Altering Drainage Structures, Leaching Basins and Manholes. Materials for the repair and

alteration of existing structures shall meet the requirements of §604 -2.01 and shall be as indicated on the contract plans. Structures originally constructed with concrete block, common brick or concrete brick shall be altere d with Precast Concrete Driveway and Sidewalk Pavers, §704 -13, unless indicated otherwise on the contract plans.

604-3 Construction Details

604-3.01 Excavation. Excavation shall be in conformance with the Construction Details of §206 -3

Trench, Culvert and Structure Excavation.

604-3.02 Concrete Drainage Structures and Manholes. Concrete drainage structures and manholes

shall be constructed in accordance with the requirements of these specifications, the Standard Sheets and plans. The Contractor shall have the option of erecting either cast -in-place or precast drainage structure s unless specified otherwise. Cast -in-place drainage structures shall be constructed of Class A concrete and to the requirements of Section 555 Structural Concrete. The Contractor shall have the option of constructing either a rectangular or circular drainage structure when such option is specified and allowed in the contract documents. When the circular structure is selected, it shall conform to the requirements of §706 -04 and will require submission of complete working drawings to the Engineer for review and approval. Contractor proposed changes to drainage structures shown on the Standard Sheets or on the plans, other than minor changes approved by the Engineer, shall require submission of complete working drawings to the Engineer for review and approval. Unless prohibited in the contract documents, the Contractor shall have the option of reducing the size of the drainage structure riser above the uppermost pipe entry in accordance with the requirements of the Standard Sheets. Flat slab reducer designs proposed by the Contractor shall be subject to the review and approval of the Engineer and shall be accompanied by the following:

604-3 03

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 B. The design calculations used in the preparation of the working drawings. Acceptance of flat slab tops or platforms for flat slab reducer designs will be on the Basis of Proof -of- Design Test or on the Basis of Rational Design as required by ASTM C478.

604-3.03 Masonry Construction. Masonry construction, when indicated on the plans or standard sheets,

shall consist of concrete pavers laid in full mortar beds. All joints shall be full mortar joints not greater than 1/2 inch wide. When specified, the outside of the masonry constructio n shall be plastered with 1/2 inch thick mortar coat.

604-3.04 Leaching Basins. Leaching basins shall be constructed in accordance with these specifications

and the contract plans.

604-3.05 Pipe Entries. All pipe(s) built into the wall(s) of a drainage structure shall be flush with the

inside face of the drainage structure wall and shall project outside a sufficient distance to allow connection with the adjoining section. The wall knockouts and sealing t he space around the pipe shall be in accordance with the Standard Sheets. The bell of concrete pipe shall be cut off at every pipe entry where the bell enters the drainage structure.

604-3.06 Steps. Drainage structures steps may be cast or bolted in place during construction, mortared

with a concrete grouting material after the structure is completed or attached by friction locking into preformed or drilled holes. The steps shall clear all pipes. Steps in risers and coni cal top sections shall be aligned to form a continuous ladder with rungs equally spaced vertically in the completed structure at a maximum distance of 16 inches. Steps shall be embedded into the walls of the riser or conical top section a minimum of 3 inch es. The rung shall project a minimum clear distance of 4 inches from the walls of the riser or conical sections measured from the point of embedment.

604-3.07 Frames and Grates. Frames and grates shall be as specified in the contract documents. Frames

located in the top slab or top of the uppermost riser shall be secured and held in place by a minimum of 4 stirrups or studs per frame, welded to the frame near the corners. Parallel bar frames shall contain shear stud anchors, for the purpose of transferring loads, as required and detailed on the standard sheet for parallel bar grates and frames. Shear stud anchors, when required, shall replace the frame securing stirrups or studs.

604-3.08 Altering Drainage Structures, Leaching Basins and Manholes. Reconstruction and

adjustment of existing drainage structures shall be as detailed and specified on the contract plans. Construction with cast -in-place concrete shall conform to the requirements of Section 555, Structural Concrete. Frames, grates and covers to be reused shall be removed, cleaned and reset at the required elevations. New frames, grates and manhole covers shall be installed when specified. Upon completion, each structure shall be cleaned of any accumulation of silt, d ebris or foreign matter of any kind and shall be kept clear of such accumulation until final acceptance of the work.

604-3.09 Adjustment Rings and Frames for Drainage Structures and Manholes. Prior to the

placement of the surface course and after the placement of the binder course, when required, the Contractor shall install adjustment rings and frames for manholes and drainage units. The adjustment ring or frame shall be placed so the manhole cover or drainage unit grate will not protrude above the finished surface of the pavement. To assure a firm and secure fit with the adjustment ring or frame, the seat of the existing manhole casting or drainage unit frame shall be free of all foreign material at the time of installation. The entire assembly shall be set on the seat of the exist ing manhole casting or drainage unit frame and the locking

604-3 10

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 devices shall be tightened evenly. The manhole cover or drainage unit grate shall then be set upon the seat of the adjustment ring or frame. The Contractor shall be responsible for insuring that the adjustment rings and frames are compatible with the existing manhole castings and covers or drainage frames and grates. All rings or frames shall be protected from displacement caused by traffic maintained on the roadway or equipment used in the paving operation. The Contractor shall have the option of removing and resetting the existing manhole casting or drainage unit frames to the required grade where shown on the plans or approved by the Engineer.

604-3.10 Transverse Drainage Interceptors. This work shall consist of the construction of reinforced

concrete transverse drainage interceptors with frames and grates, and dowels as shown on the plans or Standard Sheets. Unless specifically designated on the plans and/or in the proposal, the Contr actor shall have the option of constructing cast -in-place or precast transverse drainage interceptors.

604-3.11 Backfill. No structure shall be backfilled until all the mortar has completely set. The

requirements of Section 203, Select Granular Fill , shall apply.

604-4 Method of Measurement

604-4.01 Drainage Structures, Leaching Basins and Manholes. Drainage structures, leaching basins

and manholes will be measured for payment by the number of linear feet of height measured to the nearest tenth of a foot from the bottom of the base to the top of the masonry, including the top slab.

604-4.02 Transverse Drainage Interceptors

604-4.03 Altering Drainage Structures, Leaching Basins and Manholes. Altering drainage structures,

leaching basins and manholes will be measured by the number of structures altered.

604-4 04

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 604-4.04 Adjustment Rings and Frames for Drainage Structures and Manholes. This work will be measured by the number of prefabricated adjustment rings or frames furnished and installed.

604-5 Basis of Payment

604-5.01 Drainage Structures, Leaching Basins and Manholes. The unit price bid per linear foot shall

include the cost of all labor, equipment and materials, including bar reinforcement and welded wire fabric, necessary to complete the work, except the following:

604-5.02 Contractor Options. When the specifications allow the Contractor to substitute a precast

circular drainage unit in lieu of a rectangular drainage unit or the Contractor constructs a flat slab reducer design under the provisions of §604 -3.02, the following basis of payment p rovisions will apply :

604-5.03 Altering Drainage Structures, Leaching Basins and Manholes. The unit price bid for each

shall include the cost of all materials, labor and equipment necessary to satisfactorily complete the work including all necessary cleaning, excavation, backfill, and replacement of any pavement, shoulder and sidewalk courses, subcourses, curbs, drives, lawns and any other surface. Frames, covers or grates to be reused that are broken by the Contractor's operations shall be replaced at the Contractor's expense. New frames, covers and grates will be paid for under the appropriat e payment items for Frames and Grates in Section 655.

604-5.04 Adjustment Rings and Frames for Drainage Structures and Manholes. The unit price bid

for each adjustment ring or frame shall include the cost of all material, labor and equipment necessary to satisfactorily install the adjustment rings and frames. If the Contractor elects to reset the existing casting or frames, the co sts of the work involved in the removal and replacement of existing disturbed pavement shall be included in the price bid for the adjustment rings and frames.

604-5.05 Transverse Drainage Interceptors. The price per linear foot bid for this work shall include the

cost of furnishing all labor, materials and equipment necessary to complete the work, except the excavation will be paid for under Trench and Culvert Excavation, and the Underdrain and Underdr ain Filter will be paid for under their respective items. Payment will be made under: Item No. Item Pay Unit 604.01 Leaching Basin Foot 604.06 Transverse Drainage Interceptors Foot

605-2 01

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 604.07XXYY Altering Drainage Structures, Leaching Basins and Manholes Each XX = Region (01 through 11) YY = Serialized 01 to 99 * 604.10 Prefabricated Adjustment Rings for Manholes Each 604.11 Prefabricated Adjustment Frames for Drainage Structures Each 604.30XXYY Rectangular Drainage Structure Foot XX = Structure Type ** YY = Frame No. ** 604.31XXYY Rectangular Drainage Structure with Round Option Foot XX = Structure Type ** YY = Frame No. ** 604.32XXYY Rectangular Drainage Structure with Concrete Cap Foot XX = Structure Type ** YY = Frame No. ** 604.40XX Round Precast Manhole Foot XX = Type ** 604.50XXYY Special Drainage Structure Foot XX = Region (01 through 11) YY = Serialized 01 to 99 * * Serialized number identified structure detailed on the plans. ** Structure type and frame number are as defined on the Drainage Structure Details Standard Sheets and the Grate and Frame Standard Sheets. SECTION 605 - UNDERDRAINS

605-1 DESCRIPTION. The work shall consist of constructing underdrain installations in accordance

with these specifications and in conformity with the lines, grades, and cross -sections shown in the contract documents.

605-2 Materials

605-2.01 Underdrain Pipe. Underdrain pipe shall meet the requirements of the following subsections of

Section 700 Materials and Manufacturing for the type of pipe specified in the contract documents: Corrugated Steel Pipe - Type III, 16 gage 707-02 Porous Concrete Pipe Underdrain 706-05 Extra Strength Porous Concrete Pipe Underdrain 706-05 Perforated Corrugated Polyethylene Underdrain Tubing 706-13 Corrugated Aluminum Pipe - Type III, 16 gage 707-13 Perforated Polyvinyl Chloride Underdrain Pipe 706-18 Optional underdrain pipe shall meet the requirements of any of the above at the Contractors option except that porous concrete pipe shall not be used in an edge of pavement underdrain installation.

605-2.02 Underdrain Filter. The requirements for Underdrain Filter materials are described below. The

procedure for acceptance or rejection of Underdrain Filter materials shall be in conformance with the procedures contained in the geotechnical control procedure “ Procedure for the Control and Quality Assurance of Granular Materials ”. Underdrain Filter material shall meet the requirements of the following subsections of Section 700 Materials and Manufacturing for the type of underdrain filter material specif ied in the contract documents: