A.07.24_Amendment_0006_Specs._and_drawings.pdf

South Topeka and Waterworks Units Improvements W912DQ-17-B-1011 Topeka, Kansas Amendment 0006

SECTION TABLE OF CONTENTS

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

SECTION 35 20 16.01 23

SLIDE AND FLAP GATES - MISCELLANEOUS DRAINAGE STRUCTURES

04/07

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 QUALITY CONTROL

1.3.1 General

1.3.2 Certification

1.3.3 Workmanship

1.3.3.1 General

1.3.3.2 Commercial Equipment

1.3.3.3 Reporting

1.3.4 Design Requirements

1.3.4.1 General

1.3.4.2 Slide Gate

1.3.4.3 Flap Gates

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 General

2.1.2 Slide Gate

2.1.3 Flap Gate

PART 3 EXECUTION

3.1 DESIGN

3.1.1 General

3.1.2 Frame

3.1.3 Wall Thimble

3.1.4 Disc

3.1.5 Guides, Wedges, Seals

3.1.6 Stems

3.1.6.1 Stem, Couplings, and Stem Guides

3.1.6.2 Stem Cover

3.1.7 Gate Operator

3.1.8 Painting

3.2 STORAGE

3.3 ERECTING ENGINEER

3.4 FIELD INSTALLATION AND TESTS

3.4.1 Installation

3.4.1.3 Gate Installation

3.4.2 Tests

3.5 GUARANTEE

-- End of Section Table of Contents --

35 20 16.01 23 - 1

SECTION 35 20 16.01 23

SLIDE AND FLAP GATES - MISCELLANEOUS DRAINAGE STRUCTURES

04/07

PART 1 GENERAL

The work covered by this section consists of furnishing all plant, labor, material and equipment required to furnish, fabricate, and install new slide gates, complete, as specified herein and as shown on the Contract Drawings.

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

ASTM A48 (1994ae1)Gray Iron Castings

ASTM A126 (1995e1)Gray Iron Castings for Valves, Flanges, and Pipe Fittings

ASTM A276 (2000)Stainless and Heat-Resisting Steel Bars and Shapes

ASTM A582/A582M (1998)Free-Machining Stainless and Heat-Resisting Steel Bars, Hot-Rolled or Cold-Finished

ASTM B21 Naval Brass Rod, Bar, and Shapes

ASTM B98/B98M (1998)Copper-Silicone Alloy Rod, Bar, and Shapes

ASTM B584 Copper Alloy Sand Castings for General Applications

ASTM D2000 Classification System for Rubber Products in Automotive Applications

ASTM F593 Stainless Steel Bolts, Hex Cap Crews, and Studs

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA C560-14 AWWA Standard For Cast Iron Slide Gates

1.2 SUBMITTALS

Approval is required for submittals with a "G" designation; submittals not having a "G" designation are for information only or as otherwise designated. When used, a designation following the "G" designation identifies the office that will review the submittal. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

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SD-01 Preconstruction Submittals

Lists of Materials; G, DO

The Contractor shall submit three copies of all purchase and mill orders, shop orders and work orders. The Contractor shall submit a list designating the material to be used for each item at the time of submittal of the shop drawings. Where mill tests are required, purchase orders shall contain the test site address and the name of the testing agency. The Contractor shall also submit a shipping bill or memorandum of each shipment of finished pieces or members to the project site giving the designation mark and weight of each piece, the number of pieces, the total weight, and the car initial and number.

Design Requirements, G, DO

The Contractor shall submit the manufacturer's design calculations clearly defining all requirements specified herein and shown on the contract drawings.

SD-02 Shop Drawings

Shop Drawings; G, DO.

The Contractor shall submit complete shop drawings and erection drawings for the flap and slide gates, for appurtenant items, and for the gate anchorage systems for approval prior to fabricating any gate. Drawings shall include catalog cuts, templates, fabrication, erection and assembly details, and grade and class of materials. Elements of fabricated items inadvertently omitted from contract drawings shall be indicated on submittals.

SD-06 Test Reports

Quality Control; G, DO

When work under this section is being performed, the Contractor shall submit three copies daily of records and tests of workmanship, equipment and materials, as well as records of corrective action taken.

Tests

SD-07 Certificates

Materials, Procedures, and Qualifications; G, DO.

The Contractor shall submit certification stating that the equipment furnished meets the contract requirements.

Also the Contractor shall submit for approval, in triplicate, certification of material tests and analyses, examinations, welding procedures and welding operator qualifications. Test reports for material tests and analyses shall be identified with specific lots and items prior to installation.

SD-08 Manufacturer's Instructions

Installation;G,DO

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The contractor shall submitt for approval, intriplicate, manufacturers installation intructions.

1.3 QUALITY CONTROL

1.3.1 General

The Contractor shall establish and maintain quality control for the work specified in this section to assure compliance with the contract requirements and shall maintain detailed records of his quality control for construction operations, including but not limited to, the following:

(a) Material;

(b) Fabrication and workmanship;

(c) Welding; and

(d) Installation.

1.3.2 Certification

The Contractor shall certify that all materials, either specifically manufactured for this work or manufactured as a stock item, conform to the requirements of these Specifications. Such certification will not relieve the Contractor of responsibility for any fault in operation, workmanship or material that may develop before the completion of his work or guarantee.

The Contractor shall furnish the certified results, in triplicate, of any required test or analyses.

1.3.3 Workmanship

1.3.3.1 General

Workmanship shall be of the highest grade in accordance with the best modern practices to conform to the Specifications for the item of work being furnished.

1.3.3.2 Commercial Equipment

Commercial equipment furnished under this contract, but not designed specifically for this particular project, shall be the standard product of a manufacturer regularly engaged in the manufacture of equipment of this type; of current manufacture; new and unused; built on the multiple or repetitive system; and suitable for the intended use. The provisions of this section shall not apply to the manufacture of the items themselves, except as specifically directed by the COR.

1.3.3.3 Reporting

Three copies of these records and tests, as well as records of corrective action taken, shall be furnished to the COR daily when work under this Section is being performed.

1.3.4 Design Requirements

1.3.4.1 General

The manufacturer shall provide design calculations clearly defining all requirements specified herein and shown on the contract drawings. It is the responsibility of the Contractor to obtain the support of a

35 20 16.01 23 - 4 manufacturer regularly engaged in the manufacture of slide gates for the type of service required under this contract work. All gates shall be of the same manufacture and shall be designed, fabricated and assembled in accordance with standard sizes and gages. All components shall be adequate to withstand, without breakage or deleterious deformation, all stresses encountered during installation or operation under the conditions specified. All components shall be manufactured under the principles of interchangeability. The size of the gate provided shall correspond to and provide closure for the pipe size indicated on the drawings.

The shop drawings shall be submitted with design calculations, a list of materials, materials, procedures, and qualifications as described in the submittal paragraph.

1.3.4.2 Slide Gate

Each slide gate shall be of the upward opening and rising stem type, and be manually operated. All gates shall be cast iron. Design of the slide gates shall be in conformance with AWWA C560-14.

Slide gates shall be provided at locations indicated on the contract drawings. All new slide gates, associated hoists and stems designed and furnished for this work shall be capable of resisting the design seating and design unseating heads given below. The design heads and operating heads are equal and are measured from the horizontal center line of the gate opening to the water surface elevation. All slide gates shall be design for a seating head of 430 ft and an unseating head of 20 ft. The thimble type shall be determined by the manufacturer.

1.3.4.3 Flap Gates

The flap gate leaf and frame shall be heavy-duty and of cast-iron construction with ribbed reinforcing designed to withstand the seating head specified. The cover shall be one-piece cast iron with necessary reinforcing rib, a lifting eye for manual operation and bosses to provide a pivot point connection with the links. The seating face of the cover shall be bronze. The gate shall be of double-hinged type. The seat shall be flat back and shall be cast in one piece with a raised section around the perimeter of the waterway opening to provide the seating face. The seating face of the seat shall be of bronze. The raised section shall provide a seating plane diverging top to bottom from the plane of the mounting flange to assist in positive closure of the cover. The design of the gate shall be such that the flap cannot be opened to the extent that it will not close by its own weight, and such that the flap cannot become lodged in the opening of the frame. The hinge pins for the upper and lower pivot points shall be in double shear, and the hinge link arms shall be provided with bossed bearing areas. The upper pivot point shall be adjustable and the contacting machined surfaces between flap and frame shall form a mating low leakage closure, which at no point shall exceed a 0.004 in gap. Provision shall be made for adequate lubrication of the hinge pins, either by means of permanently-lubricated bearings or by means of suitable bronze bushings equipped with lubrication fittings. The complete design and Shop Drawings of flap gate shall be submitted to the COR for approval.

The flapgate design shall be of the size compatible with the associated pipe opening. All components shall be adequate to withstand, without breakage or deleterious deformation, all stresses encountered during installation or operations under the conditions specified. All components shall be manufactured under the principal of interchangeability. Where a

35 20 16.01 23 - 5 flat frame is furnished, it shall be connected to a cast-iron wall thimble designed for connection to the gate frame. The design seating heads are measured from the horizontal center line of the gate opening to the top of the flood protection system.

The flap gates shall be located as shown on the plans. The gates shall have a Type F thimble for a round pipe to match the pipe diameters shown on the drawings under 25 ft of head at the bottom of the gate. The seating shall be a flat back type. The flap gates must unseat and allow drainage with no more than 3 inches of backwater.

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 General

Certification of Material tests and Analyses document the material conformance shall be submitted to the COR. The contractor shall submit Lists of MaterialsLists of Materials as stated in the submittal article.

Fasteners, including anchor bolts, shall be stainless steel meeting the requirements of ASTM F593, Type 304. Nuts shall be silicon bronze meeting the requirements of ASTM B98/B98M, Alloy 655.

2.1.2 Slide Gate

The slide gate frame and disc, stem guides, wall thimbles, pedestals, housings, yokes and retainer bars shall be cast iron conforming to ASTM A126, Class B or ASTM A48, Class 30.

Gears shall be steel meeting the requirements of ASTM A108

The lifting device shall be manually crank-operated and compatible with a tripod-type portable operator as recommended by the manufacturer to be compatible with gate design. A position indicator shall be provided to show the position of the gate at all times. The indicator shall be attached to the lift mechanism. The lifting device must be compatible with the owner's existing operator.

The wedges, lifting nut, stem block and stem guide bushings shall be bronze meeting requirements of ASTM B584.

The stem, stem key, wall thimble studs, gate assembly, stop plate and retainer, and the lift assembly stop collar shall be stainless steel meeting the requirements of ASTM A276, Type 304.

The gate assembly seating faces and the lift assembly stop nut shall be naval bronze meeting the requirements of ASTM B21.

Seals shall be natural or synthetic rubber conforming to ASTM D2000.

The stem splice shall be stainless steel meeting the requirements of ASTM A582/A582M, Type 303.

Resilient seals for flush bottom gates shall be extruded or molded natural or synthetic rubber. Reclaimed rubber shall not be used.

35 20 16.01 23 - 6

Each rising stem unit shall be provided with galvanized Schedule 40 steel pipe stem cover and cap.(ANSI/ASME B36.10).

2.1.3 Flap Gate

Flap gate leaf and frame and hinge arms shall be cast iron, conforming to ASTM A126, Class B.

Hinge pins shall be silicon bronze conforming to ASTM B98, Alloy 655, or stainless steel conforming to ASTM A276, Type 304.

Holes of pivot points shall be bronze bushed.

PART 3 EXECUTION

3.1 DESIGN

3.1.1 General

Each gate type, complete with all components, shall be designed, manufactured and supplied by one manufacturer.

3.1.2 Frame

The frame shall be cast iron, of ample section, and cast in one piece to fit the openings shown on the contract drawings. Contact surfaces shall be machined, with the back flange machined to bolt directly to a wall thimble.

3.1.3 Wall Thimble

The wall thimble shall be cast iron and shall be of the configuration (Type E) as required to provide a rigid mounting. All thimbles shall be one-piece construction. The front thimble flange shall be machined with tapped holes for the gate frame attaching studs. A mastic supplied by the manufacturer shall be applied to provide a seal between the flange of the slide gate and the wall thimble. Wall thimbles shall have invert holes to permit satisfactory concrete placement beneath the thimbles.

The vertical centerline shall be marked on the thimble during fabrication to identify the thimble top for correct placement.

3.1.4 Disc

The disc shall be one piece cast iron with vertical and horizontal ribs, and with an integrally cast, heavily reinforced stem thrust nut pocket on the vertical centerline and above the horizontal centerline.

3.1.5 Guides, Wedges, Seals

Guides shall be one-piece cast iron. The guide shall be long enough to retain and support at least one-half of the gate disc in the fully open position. The guide shall also be designed to withstand the total thrust due to water pressure and wedging action.

Gates shall be equipped with side wedges to provide contact between the slide and frame facings when the gate is in closed position. The top and bottom wedges shall be supplied, if required, as determined by the manufacturer.

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The resilient seal for flush bottom gates shall be mounted on the disk.

Resilient seals mounted on the invert will not be permitted.

3.1.6 Stems

3.1.6.1 Stem, Couplings, and Stem Guides

The stem shall be of sufficient diameter to withstand, without buckling or permanent distortion, stresses induced by closing the gate. and shall be designed to transmit not less than two times the rated output of the hoist with 150ft-lb torque. The design shall be meet the requirements of AWWA C560-14. The diameter of the stem shall be as designed by the manufacturer.

Stem threads shall be either machine-cut or rolled and of the ACME type.

The stem and nut threads shall have sufficient contact area to that the contract pressure will not exceed 5000 psi when the maximum stem thrust is exerted. The stem thread surfaces in contact with the lift nut shall have not rougher than a 7 micro-inch finish. The exterior corners of the threads, either during or after machining, shall be given a slight radius of approximately .015 inch in order to prevent them from acting as cutting edges as the stem passes through the lift nut.

The stem shall be of stainless steel, ASTM A 276, Type 304, or ASTM A 582, Type 303 sections joined with bronze couplings which are threaded and keyed. All threaded and keyed couplings of the same size shall be interchangeable.

The stem shall be fitted with a tapped hole in the top end for handling.

The tapped hole shall be of sufficient diameter and depth for the insertion of an eyebolt of sufficient strength to pick up the entire stem from a horizontal position.

The stem shall be provided at its lower end with a bronze thrust nut which will fit into the pocket provided therefor on the slide and which will positively prevent rotation of the stem. The stem shall be provided at its upper end with a bronze adjustable stop collar just above the hoist lift nut, and shall be provided with a stimilar stop collar below the hoist.

Stem guides shall be of cast-iron, bronze bushed and mounted on cast-iron brackets. They shall be drilled and slotted so as to be adjustable in two directions and shall be spaced at close enough intervals to support the stem adquately with an L/R ratio of not more than 200 and spaced in accordance with the manufacturer's recommendation for the stem size.

3.1.6.2 Stem Cover

A stem cover shall be provided. The stem cover shall be of galvanized Schedule 40 steel pipe of sufficient diameter and length to permit full travel of the stem without obstruction or binding. The top of the cover shall be closed with a galvanized steel pipe cap. The pipe cap shall have a drilled and tapped hole fitted with an eyebolt of sufficient strength for lifting the assembly from a horizontal position. The stem cover shall have a grease fitting, which can be used for lubricating the stem, installed above the threads into the top of hoist to prevent rainwater entry.

Prior to assembly, treaded portions of the stem cover, cap, and eyebolt shall be coated with pipe compound. After installation all exposed threads shall be cleaned and coated with a heavy coate of an approved zinc-rich

35 20 16.01 23 - 8 protective coating.

3.1.7 Gate Operator

The gate operator must be compatable with the owner's current portable operators. Closure using the portable operator must be achievable in 30 minutes or less.

The manual lifting device shall be crank-operated with either a single or double gear type meeting the requirements of AWWA C560-14

Gears shall be accurately machined with teeth cut to provide smooth, proper operation.

The crank shall be removable and fitted with a corrosion resistant rotating handle which can be removed and stored in a location which will be determined by the COR.

The gate operator shall have a nut aligned horizontally to accept connection by portable operators.

A position indicator shall be provided to show full open and closed positions divided by a minimum of 1/8 indicator marks. The indicator shall be attached to the lift mechanism.

3.1.8 Painting

All cast iron and steel parts (except stainless steel) shall be painted with a corrosion resisting coating. Coating shall be two coats (5 mils DFT each coat) of amine modified polyamide epoxy Amerlock 400 or approved equivalent. Color shall be subject to the approval of the COR.

3.2 STORAGE

Upon delivery at the work site, bulky parts of the gate, such as the frame, slide and wall thimble, which have been coated with a complete paint system in the manufacturer's plant, may be stored outdoors provided these parts are stored on wood blocking not less than 8 inches above a base of washed gravel or crushed stone not less than 2 inches thick. All other elements of the gate shall be stored in a weather tight building. A framework covered with a plastic film, or any other such expedient or makeshift arrangement, will not be acceptable.

3.3 ERECTING ENGINEER

The Contractor shall furnish the services of a competent erecting engineer to supervise and direct the installation and testing of the gates furnished under this section. The erection engineer shall be present each of the following tasks:

(a) Complete installation of the wall thimble and all other items to be embedded in concrete;

(b) Complete installation of all gate components;

(c) Adjustment of all seals and wedges; and

(d) All specified testing.

The erecting engineer shall be a designated full-time employee of the gate manufacturer and shall have had at least five years of experience with the type of gate furnished under these Specifications. The erecting engineer

35 20 16.01 23 - 9 shall be subject to the approval of the COR. The services of the engineer shall be furnished at no extra cost. The installation and testing of the gates under the direction and supervision of the erecting engineer shall in no way relieve the Contractor of sole responsibility for the gates meeting all requirements of the Specifications and fulfilling all the Contractor's guarantees.

3.4 FIELD INSTALLATION AND TESTS

3.4.1 Installation

3.4.1.1 General

All installation of the gates and appurtenances shall be in accordance with the manufacturer's installation instructions and under the supervision and direction of the erecting engineer specified. The slide gates shall be installed complete with frames, leaves, stems, adjustable stem guides, floorstands, dustproof stem covers, position indicators, anchor bolts, and all appurtenances necessary to provide a complete and workable installation. All elements of the gate shall be cleaned of all protective coating used thereon during shipment and storage; all rust, dirt, grit and other foreign matter shall be removed. The gate shall then be "touch-up" painted. Each element of the gate shall be carefully and accurately aligned so that after it is fastened in place there will be no binding or excessive pressure or wear in any moving part and no distortion of any member. The wall thimble shall be internally braced during concrete placement. Fasteners shall be tightened uniformly and firmly, but care shall be taken not to overstress either the fastener or the member with which it is associated. Where specific torque values or ranges are cited in the installation instructions, an accurately calibrated torque-wrench, having the proper capacity range, shall be used. Stilson wrenches, cold chisels, or other tools likely to cause injury to the surface of any part, shall not be used in the work of assembly or tightening. All fasteners shall be installed with an anaerobic locking compound similar and equal to that of the LOCTITE Corporation. Cleaning prior to application of the locking compound shall follow the manufacturer's recommendations. All shims shall be of either bronze or corrosion-resisting steel. Where grouting is required, either an epoxy grout or a ready-to-use, non-shrinking grouting material, requiring only mixing with water at the work site, shall be used, and use of any grouting material shall be as recommended by the manufacturer. All blocking and wedges used for support during initial grouting shall be removed prior to final grouting.

3.4.1.2 Wall Thimble

After the concrete from the wall pour for the thimble has hardened and form removed, the front surface of the wall thimble should be thoroughly cleaned. Any concrete that has flowed on the surface from the edges shall be carefully removed. Care should be taken to prevent damage to machined surfaces.

3.4.1.3 Gate Installation

Prior to installation, the machined surfaces of the flange and wall thimble shall be thoroughly cleaned and inspected. Care should be taken to prevent damage to machined surfaces. Gasket placement shall be even and thorough.

Bolt tightening shall be even and follow manufacturer's recommendations.

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3.4.2 Tests

The gates shall be operated and tested by and at the expense of the Contractor and under the supervision and direction of the erecting engineer to determine if they have been properly manufactured, assembled and installed and if they meet the requirements of the specifications. The Contractor shall notify the COR at least 5 days prior to commencing the testing. The gates shall be operated through two complete cycles. Initial 6 inches of gate shall be advanced using the hand crank and the portable operator shall be used until the last 6 inches of gate advancement, which shall be done by the hand crank. The gates shall be checked in the closed position for leakage. Leakage shall meet not exceed the requirements of

AWWA C560-14.

Any malfunctions or discrepancies disclosed as a result of these tests shall be promptly remedied by the Contractor at no additional expense, and retests conducted.

3.5 GUARANTEE

Equipment furnished under this Specification section shall be guaranteed for a period of no less than one year from the date of final acceptance thereof against defective materials, design and workmanship. Upon receipt of notice from the Construction Manager or USACE of failure of any part of the guaranteed equipment during the guarantee period, a new replacement part or parts shall be furnished and installed promptly by the Contractor at no additional cost.

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GENERAL NOTES

PIPES AND STRUCTURES

UTILITIES

PROJECT CONTACTS

TRAFFIC CONTROL AND ACCESS

SEEDING

TO SPECIFICATION SECTION 32 92 19.

RECEIVE AGGREGATE SURFACING OR PAVEMENT SHALL RECEIVE SEED AND MULCH. CONTRACTOR SHALL ADHERE

PRIOR TO FINAL ACCEPTANCE OF THE PROJECT, ALL AREAS DISTURBED BY CONSTRUCTION NOT DESIGNATED TO 1.

STOCKPILING USABLE MATERIAL

EMERGENCY BACKFILLING

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EMERGENCY BACKFILLING OF EXCAVATIONS SHALL BE IN ACCORDANCE WITH SPECIFICATION 33 26 00.00 23 AND 35 41 1.

DEMOLITION

CONSTRUCTION LIMITS AND SITE ACCESS

FINISHED GRADE UNLESS OTHERWISE NOTED ON PLANS.

MANHOLE, JUNCTION BOX, INLET TOP SLABS, RING, AND COVERS SHALL MATCH THE SLOPE AND ELEVATION OF 4.

STRUCTURE STATIONING IS THE GEOMETRIC CENTER OF THE STRUCTURE INSIDE FOOTPRINT.3.

STRUCTURE AND PIPE DIMENSIONS SHOWN ON PLANS ARE INSIDE DIMENSIONS2.

MEASURED FROM THE INSIDE FACE OF STRUCTURES.

PIPE LENGTHS AND SLOPES SHOWN ON PLANS ARE BASED ON LINEAL DISTANCES ALONG THE PIPE INVERT 1.

EACH RESPECTIVE UTILITY OWNER.

SEWERS. WHEN POSSIBLE, LOCATIONS HAVE BEEN COMPARED TO EXISTING AS-BUILT AND RECORD DRAWINGS FROM

APPROXIMATE AND VERTICAL LOCATIONS ARE NOT KNOWN, EXCEPT FOR PORTIONS OF THE STORM AND SANITARY

AND RECORDED BY THE COE AND TRANSFERRED ONTO THESE CONSTRUCTION DRAWINGS. HORIZONTAL LOCATIONS ARE

COLORS OF PAINT OR BASED ON THE LOCATIONS FROM AFOREMENTIONED SOURCES. PAINT MARKINGS WERE SURVEYED

MAPS AND OTHER WRITTEN AND ORAL RECORDS. UTILITIES MAY HAVE BEEN IDENTIFIED ON THE GROUND WITH SPECIFIC

EXISTING UTILITIES SHOWN WITHIN THESE CONSTRUCTION DRAWINGS HAVE BEEN LOCATED WITH AS-BUILT DRAWINGS, QUALITY LEVEL D

SURFACE.

SURVEYED, EXCEPT FOR PORTIONS OF THE STORM AND SANITARY SEWERS BETWEEN FEATURES ACCESSIBLE FROM THE

COE AND TRANSFERRED ONTO THESE CONSTRUCTION DRAWINGS. HORIZONTAL AND VERTICAL LOCATIONS WERE

INFORMATION PLUS VISIBLE SURFACE FEATURES. VISIBLE SURFACE FEATURES WERE SURVEYED AND RECORDED BY THE

EXISTING UTILITIES SHOWN WITHIN THESE CONSTRUCTION DRAWINGS HAVE BEEN LOCATED WITH QUALITY LEVEL D

QUALITY LEVEL C

EXCEPT FOR PORTIONS OF THE STORM AND SANITARY SEWERS.

CONSTRUCTION DRAWINGS. HORIZONTAL LOCATIONS ARE APPROXIMATE AND VERTICAL LOCATIONS ARE NOT KNOWN, COLORS OF PAINT. THOSE MARKINGS WERE SURVEYED AND RECORDED BY THE COE AND TRANSFERRED ONTO THESE

D INFORMATION PLUS TYPICAL UTILITY LOCATING DEVICES. UTILITIES WERE IDENTIFIED ON THE GROUND WITH SPECIFIC

EXISTING UTILITIES SHOWN WITHIN THESE CONSTRUCTION DRAWINGS HAVE BEEN LOCATED WITH QUALITY LEVEL C AND

QUALITY LEVEL B

AND D INFORMATION PLUS PRECISELY LOCATING THE UTILITY WITHIN 15MM IN THE VERTICAL AND HORIZONTAL.

EXISTING UTILITIES SHOWN WITHIN THESE CONSTRUCTION DRAWINGS HAVE BEEN LOCATED WITH QUALITY LEVEL B, C, QUALITY LEVEL A

CONTRACTOR SHALL ADHERE TO THE ACCESS ROAD.2.

ON DRAWINGS. NO MATERIAL SHALL BE STOCKPILED WITHIN 10 FEET OF THE FLOODWALL.

MATERIAL EXCAVATED FROM THE PROJECT MAY BE TEMPORARILY STOCKPILED IN THE LAYDOWN AREA, AS SHOWN 1.

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PARAGRAPH 8-10. RAMPS. RAMPS SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETE.

TEMPORARY ACCESS RAMPS ON LEVEE SECTIONS, AS REQUIRED, SHALL BE CONSTRUCTED PER EM 1110-2-1913 7.

OTHER AREAS IS NOT ALLOWED.

CONTRACTOR SHALL ONLY PARK VEHICLES IN LOCATION SHOWN ON PLANS FOR LAYDOWN/PARKING. PARKING IN 6.

UNIFORM TRAFFIC CONTROL DEVICES.

ALL TRAFFIC CONTROL SIGNAGE SHALL BE IN ACCORDANCE WITH THE LATEST VERSION OF THE MANUAL OF THE 5.

THE MUTCD TO INCLUDE BUT ARE NOT LIMITED TO: OBJECT MARKERS, HORIZONTAL ALIGNMENT SIGNS, ETC.

BUT ARE NOT LIMITED TO: YIELD SIGNS, STOP SIGNS, SPEED LIMIT SIGNS, ETC. WARNING SIGNS ARE IDENTIFIED BY

PERIOD WHICH PERMANENT SIGNAGE IS REMOVED. REGULATORY SIGNS ARE IDENTIFIED BY THE MUTCD TO INCLUDE

APPROPRIATE TEMPORARY SIGNAGE SHALL BE IN PLACE FOR ALL REGULATORY AND WARNING SIGNS FOR THE

ALL STREET SIGNS REMOVED FOR CONSTRUCTION SHALL BE PERMANENTLY REPLACED AS SOON AS PRACTICAL. 4.

CONTRACTOR SHALL SUBMIT A TRAFFIC CONTROL PLAN FOR APPROVAL.3.

MOVED PRIOR TO CONSTRUCTION.

START OF CONSTRUCTION. ALL EQUIPMENT BELONG TO BERRY'S ARCTIC ICE AND HILL'S PET NUTRITION WILL BE

COLLECTOR PIPE . CONTRACTOR TO PROVIDE COR AND BERRY'S ARCTIC ICE MINIMUM OF 14 DAYS NOTICE PRIOR TO

CONTRACTOR TO COORDINATE WITH BERRY'S ARCTIC ICE DURING CONSTRUCTION OF RELIEF WELLS AND 2.

VEHICLE TRAFFIC.

PROPERTY FOR EMERGENCY SERVICES. TEMPORARY ACCESS SHALL BE ADEQUATE TO SUPPORT EMERGENCY

CONTRACTOR SHALL AT ALL TIMES, MAINTAIN AT LEAST ONE-LANE ACCESS TO ALL BUILDINGS ON HILL'S PET 1.

HILL'S PET NUTRITION PROPERTY ACCESS NOTES

PERFORMED TO AN OVERALL QUALITY LEVEL B. SEE THE TABLE BELOW FOR INDIVIDUAL UTILITY QUALITY LEVELS.

SUBSURFACE UTILITY ENGINEERING (SUE) QUALITY LEVEL (ASCE 38-02): THE SURVEY OF THIS PROJECT WAS 6.

ARE FOUND, NOTIFY COR IMMEDIATELY FOR FURTHER REVIEW.

IT IS ASSUMED THAT ALL UTILITIES NOTED AS ABANDONED ARE DONE SO WITH CONCRETE. IF OTHER CONDITIONS 5.

AND SHALL BE RESPONSIBLE FOR DAMAGES AND SHALL REPAIR IMMEDIATELY AT CONTRACTOR'S EXPENSE.

LOCATIONS AND SHALL TAKE NECESSARY PRECAUTIONS TO PROTECT ALL UTILITIES ABOVE AND BELOW GROUND

DEPICTION OF EXISTING SUBSURFACE UTILITY DATA. CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFYING

UTILITIES ARE SHOWN IN ACCORDANCE WITH ASCE 38-02 STANDARD GUIDANCE FOR THE COLLECTION AND 4.

AND COR PRIOR TO REMOVAL, CONDUCTING SPECIFIED POTHOLING, OR RELOCATION OF ANY UTILITY.

FOR WORK PERFORMED ON HILL'S PET NUTRITION PROPERTY, CONTRACTOR SHALL COORDINATE WITH HILL'S PET 3.

IF UTILITY SIZE OR MATERIAL ARE NOT DISPLAYED ON PLANS, THE INFORMATION IS UNKNOWN.2.

INC. CONTRACTOR SHALL COORDINATE WITH COR AS REQUIRED, ALLOWING ADEQUATE TIME FOR UTILITY LOCATES.

TRACKS OWNED BY UNION PACIFIC AND ON PROPERTY OWNED BY THE CITY OF TOPEKA AND HILL'S PET NUTRITION, A PORTION OF SOUTH TOPEKA PROJECT (STA 0+00 TO 50+70) IS LOCATED IN THE VICINITY OF ACTIVE RAIL ROAD 1.

SUE QUALITY LEVEL DESCRIPTIONS (ASCE 38-02)

ACTIVITIES. CONTRACTOR SHALL NOT BLADE IN HOLES TO REPAIR DAMAGE.

CONTRACTOR SHALL KEEP AGGREGATE SURFACING IN GOOD REPAIR THROUGHOUT DURATION OF CONSTRUCTION 5.

AREA SHOWN FOR HIS/HER CONVENIENCE.

THE CONTRACTOR MAY, AT NO ADDITIONAL COST TO THE GOVERNMENT, OBTAIN EASEMENT/ACCESS IN ADDITION TO 4.

WITHIN THE CONSTRUCTION LIMITS FOR STORAGE/LAYDOWN AS SHOWN.

VEHICLES SHALL NOT BE PARKED ALONG SIDE OF ROADWAYS WITHIN THE HILL'S PET NUTRITION PROPERTY UNLESS 3.

THE CONTRACTOR STAGING AREA SHALL BE APPROVED BY THE CONTRACTING OFFICER.2.

PROPOSED IMPROVEMENTS.

THE CONSTRUCTION LIMITS SHOWN REPRESENT THE WORK LIMITS REQUIRED FOR CONSTRUCTION OF THE 1.

FIBEROPTICS

WATER

NATURAL GAS

(785) 575-1245

WESTAR ENERGY, INC.

(C) (816) 401-8895

(O) (816) 399-1993

JARROD LARAMORE

MANAGER OF TRACK MAINTENANCE

UNION PACIFIC RAIL ROAD

(785) 231-2832

PLANT ENGINEERING MANAGER

ALEJANDRO GOMEZ

TOPEKA, KS 66603

320 NE CRANE ST

HILL'S PET NUTRITION

(785) 368-3980

UTILITIES DEPARTMENT

LEVEE ENGINEER

KELLY RYAN

CITY OF TOPEKA

1-800-DIG-SAFE

KANSAS ONE CALL1.

UTILITY VERIFICATION SURVEY

OR AS APPROVED BY COR.

UTILITY POTHOLES SHALL BE BACKFILLED AND SAME SURFACE RESTORED IN ACCORDANCE WITH SPECIFICATIONS 2.

- STATION 86+59, 14-INCH CIP & 36-INCH RCP, IDENTIFIED AS PREVIOULSY REMOVED

- STATION 84+48, UNKNOWN SIZE/MATERIAL, ABANDONED SANITARY SEWER

- STATION 84+25, 24-INCH CIP, STORM DRAIN

- STATION 80+42, 30-INCH DIP, ABANDONED SANITARY SEWER

SPECIFICATION 01 30 00.00 23:

THE FOLLOWING UTILITIES AT THE APPROXIMATE LOCATIONS LISTED SHALL BE POTHOLED IN ACCORDANCE WITH 1.

REFERENCE DRAWINGS

SEE G-006 FOR ADDITIONAL SURVEY NOTES.3.

USED FOR THE CONSTRUCTION DRAWINGS.

NATIONAL GEODETIC VERTICAL DATUM OF 1929 (NGVD 29). TAKE NOTE THAT THIS IS DIFFERENT THAN THE DATUMS

PROJECT RECORD DRAWINGS AND HISTORICAL DATA USED THE NORTH AMERICAN DATUM OF 1927 (NAD 27) AND THE 2.

REFERENCE DRAWINGS FOR THIS PROJECT ARE INCLUDED IN AN APPENDIX TO THE SPECIFICAITONS.1.

APPROVED BY THE CONTRACTING OFFICER OR AS NOTED ON SOU_GC102 AND SOU_GC103.

EXCAVATION ADJACENT TO THE FLOODWALL SHALL BE LIMITED TO 300 LINEAR FEET OPEN AT A TIME UNLESS 6.

QUALITY AND SHALL NOT BE CONSTRUED AS LIMITING COMPETITION.

REFERENCES TO SPECIFIC PRODUCTS OR MATERIALS SHALL BE REGARDED AS ESTABLISHING A STANDARD OF 5.

RE-ESTABLISH EXISTING DRAINAGE PATTERNS.

UNLESS OTHERWISE INDICATED, CONTRACTOR SHALL RETURN SITE TO PRE-CONSTRUCTION GRADE AND 4.

SEE SHEET SOU_GC100, NOR_C-100, & WW_C-100 FOR SITE ACCESS.3.

OF ANY PROPERTY CORNERS OR SURVEY MONUMENTS DISTURBED BY CONSTRUCTION ACTIVITIES.

PROTECTION OF ALL PROPERTY CORNERS AND SURVEY MONUMENTS AND IS RESPONSIBLE FOR RE-ESTABLISHMENT

REPAIRS SHALL BE EQUAL TO OR BETTER THAN EXISTING CONDITIONS. CONTRACTOR IS RESPONSIBLE FOR

LIMITED TO: EXISTING FLOODWALL, BUILDINGS, DRAINAGE UTILITIES, PAVEMENT, SIDEWALKS, STRIPING, CURB, ETC.

RESPONSIBLE FOR REPAIRS OF DAMAGE TO ANY EXISTING FEATURES DURING CONSTRUCTION SUCH AS BUT NOT

AVOID PROPERTY DAMAGE TO ADJACENT PROPERTIES DURING ALL PHASES OF THIS PROJECT. CONTRACTOR IS

THE CONTRACTOR SHALL BE HELD SOLELY RESPONSIBLE FOR AND SHALL TAKE ALL PRECAUTIONS NECESSARY TO 2.

KDHE PRIOR TO CONSTRUCTION.

LIMITED TO THE LOCAL LAND DISTURBANCE PERMIT AND NPDES EROSION AND SEDIMENT CONTROL PERMIT FROM

CONTRACTOR IS RESPONSIBLE FOR OBTAINING ALL REQUIRED LOCAL AND STATE PERMITS INCLUDING BUT NOT 1.

TRAINING.

NUTRITION. THE TRAINING SHALL BE CONDUCTED ON AN ANNUAL BASIS. COORDINATE WITH COR TO SCHEDULE THE

ALL CONTRACTOR'S PERSONNEL SHALL PASS THE CONTRACTOR SAFETY TRAINING VIDEW REQUIRED BY HILL'S PET 5.

COR DAILY.

THE CONTRACTOR SHALL MAINTAIN A LIST OF ALL PERSONNEL ON SITE AND PROVIDE THIS INFORMATION TO THE 4.

SOU_GC101.

NOT HAVE ACCESS TO ANY OTHER PORTIONS OF HILL'S PET NUTRITION PROPERTY, UNLESS OTHERWISE NOTED ON

CONTRACTOR SHALL REMAIN ONLY WITHIN THE CONSTRUCTION LIMITS SHOWN ON THE PLANS. CONTRACTOR SHALL 3.

TO NOT INTERRUPT THE PLANT OPERATIONS.

CONTRACTOR SHALL THOROUGHLY COORDINATE CONSTRUCTION ACTIVITIES WITH CONTRACTING OFFICER SO AS

ANY ACTIVITY THAT IMPEDES THE OPERATION OF THE HILL'S PET NUTRITION PLANT WILL NOT BE PERMITTED. THE 2.

WITHOUT WRITTEN PERMISSION OF HILL'S PET NUTRITION.

USE OF CAMERAS, CELL PHONES (PICTURES), VIDEO, AND/OR AUDIO RECORDING EQUIPMENT IS PROHIBITED 1.

AS ADVERTISED

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LEAVING NO VOIDS.

SHALL BE PUMPED UPHILL FROM THE LOWER END OF THE PIPE. PIPE SHALL BE COMPLETELY FILLED WITH GROUT

TO COMPENSATE FOR SHRINKAGE. THE GROUT OR FLOWABLE FILL SHALL BE APPROVED BY THE COR. GROUT

CEMENT-BENTONITE OR FLOWABLE FILL. IF NON BENTONITE MIXES ARE USED, THEY SHALL CONTAIN ADMIXTURE(S)

SHRINK GROUT" SHALL BE DISCONNECTED AND REMOVED OR ABANDONED IN PLACE WITH A GROUT BASED

UTILITIES DESIGNATED TO BE ABANDONED, INCLUDING THOSE UTILITIES INDICATED FOR ABANDMENT WITH "NON 4.

OTHERWISE NOTED.

FENCING DESIGNED TO BE REMOVED SHALL BE REPLACED TO MATCH EXISTING IN TYPE AND HEIGHT, UNLESS 3.

UTILITIES.

THE CONTRACTOR SHALL COORDINATE WITH THE UTILITY OWNER PRIOR TO THE REMOVAL AND RELOCATION OF ANY 2.

SECURE CONSTRUCTION SITE.

CONTRACTOR SHALL INSTALL TEMPORARY CONSTRUCTION FENCE AS NEEDED TO PROVIDE AN ENCLOSED AND 1.

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SHEET ID

®of Engineers

US Army Corps

U .S

A R

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F E

N G

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N 278,362.27

E 1,960,413.45

N 278,281.33

E 1,960,424.56 N 278,301.25

E 1,960,651.24

N 278,336.28

E 1,960,727.04

N 278,419.96

E 1,960,808.13 N 278,428.82

E 1,960,868.72

N 278,485.02

E 1,961,255.36

N 278,495.13

E 1,961,331.63

N 278,172.18

E 1,961,361.22

N 278,110.08

E 1,961,215.01

N 277,998.48

E 1,960,794.99

N 278,298.78

E 1,960,750.74

N 278,255.43

E 1,960,727.75

N 278,213.19

E 1,960,728.11

N 278,121.43

E 1,960,761.58 N 278,239.53

E 1,961,716.69

N 278,401.47

E 1,962,158.99

N 278,461.37

E 1,962,155.97

N 278,522.33

E 1,962,291.37

N 278,601.11

E 1,962,333.31

N 278,095.67

E 1,960,605.56

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MITIGATION PLAN

SCALE: 1" = 100' 100' 200'0

N

GENERAL SHEET NOTES

LEGEND

SHOWN ON PLAN VIEW (SEE CS502 FOR DETAIL)

GUARDRAIL TO BE ADDED AT PERIMETER OF MITIGATION LIMITS AS

MITIGATION LIMITS

APPROXIMATE MITIGATION PLANTING AREAS

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DS: AEC_Screen.dscript.dscriptPD: AEC_pdf.pltcfg pw://COE-NWKPWP50KAN.nwk.ds.usace.army.mil:PWNWK500/Documents/Civil Works/KsRiver/VOLUME III - SOUTH TOPEKA AND WATERWORKS UNITS IMPROVEMENTS/06.0 Engineering & Design/6.1 CADD Drawings/CAD_BIM/_Sheets/MITIGATION PLAN

10:34:03 AM 10/20/2017

TIE INTO EXISTING GATE TIE INTO EXISTING GATE

EDGE OF ACCESS ROAD

MITIGATION TO NORTH

ADJUST LIMITS OF

GATES ON LEVEE CREST AS SHOWN.

OF MITIGATION AREA AND TIE INTO EXISTING

INSTALL GUARDRAIL ALONG ROADWAY EDGE

AS ADVERTISED

/ AMERICAN PLUMPRUNUS AMERICANA

/ BUR OAKQUERCUS MACROCARPA

/ WHITE OAKQUERCUS ALBA

/ BLACK WALNUTJUGLANS NIGRA

/ PERSIMMONDISOPYROS VIRGINIANA

/ HAWTHORNCRATAEGUS PHAENOPYRUM

/ SHELLBARK HICKORYCARYA LACINIOSA

/ PECANCARYA ILLINUENSIS

TREE SPECIES SHALL INCLUDE A VARIETY OF THE FOLLOWING:8.

TREE ROWS.

) SHALL BE PLANTED WITHIN THE PANICUM RIGIDULUMTOP PANIC GRASS (

) OR RED ELYMUS VIRGINICUSGROUND COVER SUCH AS VIRGINIA WILD RYE (7.

GRASSES IN THE MITIGATION AREA SHALL NOT BE FERTILIZED.6.

PROTECTIVE SLURRY IMMEDIATELY PRIOR TO PLANTING.

THE ROOT SYSTEM OF EACH TREE WHIP SHALL BE TREATED WITH A ROOT 5.

UP TO 5' IN ANY DIRECTION.

LINE, ETC) THE CONTRACTOR MAY INCREASE OR DECREASE THE SPACING

MITIGATION AREA. IF CONDITIONS WARRANT (ROCK, DEBRIS, PROPERTY

MAXIMIZE, TO THE BEST OF HIS ABILITY, THE NUMBER OF TREES IN THE

TREE WHIPS ARE TO BE SPACED 20' ON CENTER. THE CONTRACTOR SHALL 4.

THE SAME VARIETY OCCURRING TOGETHER.

TREES SHALL BE PLANTED IN A RANDOM ORDER WITH NO MORE THAN 5 OF 3.

PRIOR TO PLANTING OPERATIONS.

PLANTINGS AND HAVE THEM APPROVED BY THE CONTRACTING OFFICER

THE CONTRACTOR SHALL IDENTIFY AND FLAG THE LIMITS OF MITIGATION 2.

CALIPER OF 1/4" AND HEIGHT OF 3' FOR EACH WHIP.

FOR MITIGATION. TREE WHIPS SHALL BE PLACED AT 20' SPACING WITH A

THE CONTRACTOR IS TO PLANT TREE WHIPS WITHIN THE LIMITS DESIGNATED 1.

NOTE 9 DELETED

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OF ROADWAY TO LIMITS SHOWN

GUARDRAIL SHALL FOLLOW EDGE

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