DWS-971 Book 2 - Technical Specs FINAL.pdf

CITYOF DETROIT

Mike Duggan, Mayor

CONTRACT NO. 534107

PROJECT NO. DWS-971

TECHNICAL SPECIFICATIONS

FOR

CATCH BASINS INSPECTION, REPAIR AND

REPLACMENT AS NEEDED IN THE CITY OF DETROIT

BOARD OF WATER COMMISSIONERS

Michael Einheuser, Chairperson

Mary E. Blackmon, Vice Chairperson

Lane Coleman John Henry Davis

Linda Forte

Jane C. Garcia Jonathan Kinloch

Gary Brown

Director

Mohamad Farhat, P.E.

Director of Engineer and Construction

Samuel Smalley, P.E.

Deputy Director

Ericka Meah - Chief Operating Officer Istakur Rahman

Chief Financial Officer

April 2025

BOOK 2 of 2

City of Detroit

Mike Duggan, Mayor

Detroit City Council

Brenda Jones, President

Mary Sheffield, President Pro Tem

Janee′ Ayers

Scott Benson

Raquel Castaneda-Lopez

Gabe Leland

Roy McCalister Jr.

Andre Spivey

James Tate

City of Detroit

Water and Sewerage Department - Engineering Division

Standard Specifications

01 11 00 Summary of Work

01 14 00 Work Restrictions

01 20 00 Price and Payment Procedures

01 30 00 Administrative Requirements

01 31 27 Project Management Communications

01 32 16 Construction Progress Schedule

01 32 25 GPS Structure Documentation

01 33 00 Submittal Procedures

01 35 29 Safety Program

01 40 00 Quality Requirements

01 52 00 Temporary Facilities

01 55 26 Traffic Control

01 57 13 Erosion Control Sedimentation and Containment of Construction Materials

01 57 15 Temporary Sewer Bypass Pumping

01 57 33 Temporary Security Measures

01 58 13 Temporary Project Signage

01 70 00 Execution and Closeout Requirements

01 78 39 Electronic Project Record Documentation

02 01 20 Protecting Existing Underground Utilities

02 22 30 Pre-Construction Video and Photographic Record

02 31 13.23 Utility Line Removal

02 61 13 Excavation and Handling of Contaminated Materials

03 10 00 Concrete Forming

03 20 00 Concrete Reinforcing

03 25 00 Concrete Accessories

03 30 00 Cast-in-Place Concrete

03 31 00 Construction and Expansion Joints

03 39 00 Concrete Curing

03 60 00 Grouting

31 10 00 Site Clearing

31 23 16.26 Rock Removal

31 23 19 Dewatering

31 23 23.33 Flowable Fill

31 23 33 Trenching and backfill

31 50 00 Excavation Support Systems

32 11 23 Aggregate Base Courses

32 12 16 Asphalt Paving

32 13 13 Concrete Paving

32 13 14 Permeable Concrete

32 31 13 Chain Link Fences and Gates

32 31 29 Wood Fences and Gates

32 92 19 Seeding

32 93 00 Plants

33 01 30 16 Sanitary Sewer Pipeline Inspection

33 01 30.17 Manhole Panoramic Inspection

33 01 30.18 Security Clearances and Communications

33 01 30.19 Sanitary Sewer Pipeline Cleaning

33 01 30.60 Spot Repair of Existing Sewers

33 01 30.61 Packer Injection Grouting

33 01 30.78 Glass Reinforced Plastic Segmental Sewer Liner

33 01 30.79 Fold-and-Form Sewer Lining

33 01 30.81 Manhole Rehabilitation

33 05 61 Concrete Manholes

33 14 19 Valves and Hydrants for Water Utility Service

33 31 11 Public Sanitary Sewerage Gravity Piping

01 11 00 - 1

SUMMARY OF WORK

Modified DWSD Standard Specification

January 2021

SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Contract description.

2. Contractor's use of Site.

3. Work sequence.

4. Permits.

5. Specification conventions.

1.2

CONTRACT DESCRIPTION

A. Work of the Project may include:

1. Sewer inspection by means of closed-circuit television (CCTV) and multi-sensor platforms.

2. Cleaning and rehabilitation of circular and non-circular storm and sanitary sewers from 6-inch thru 120-inch.

3. Conducting Laser and Sonar sewer inspection and submitting for DWSD’s review the accompanying PACP reports and profiles of the multi sensor sewer inspection. The

Contractor shall also provide DWSD any/all software required to read and manipulate the multi sensor reports and data submitted with the reports.

4. When directed, perform review of video inspection and recommend repair methods including design calculations and backup for the repair method chosen. This task will only be performed when requested and will not occur for all the sewer inspection.

5. Performing the work of repairing sewer cave-ins, eliminating cross bores, and carrying out point repairs of circular and non-circular storm and sanitary sewers by open-cut method of excavating the damaged portion of the pipeline and replacing it with a new pipe.

6. Providing earth retention shafts and insertion and access pits, as needed, for manned or unmanned access to the sewer or point repairs.

7. Providing manhole inspection, cleaning, repairs, and replacements including structure repair, grouting, lining, and restoration work.

8. Performing dye testing of sewer laterals, sewer structures, and cave-ins to determine connectivity and source of infiltration.

01 11 00 - 2

9. Performing site cleanup and restoration including surface restoration of pavement, curbs, sidewalks, driveways, and lawn restoration.

10. Additional work as defined in the bid schedule and measurement and payment descriptions.

B. The work is at the direction of the DWSD on an as-needed basis and will be throughout the city of Detroit. All labor, equipment, and material for the entire work shall be furnished by the

Contractor unless otherwise listed in the measurement and payments. The bidder hereby agrees to perform all work assigned by the Engineer no matter where located, at the Unit Prices established in the Bid Schedule.

C. The Bidder agrees that the unit prices shall remain unchanged for the duration of the Contract and will not be increased regardless of the quantities used, whether the quantity of a particular item increases or decreases or if the item is not used at all.

D. The Bidder agrees that any work involving unmarked underground utilities that may be required to complete any specific item shall be considered incidental and no claim for additional compensation will be made.

E. Any work adjacent to any Wayne County and MDOT road jurisdictions shall be in accordance with the requirements of the Wayne County and MDOT authorities respectively.

F. Perform Work of Contract under unit price Contract with Owner according to Conditions of

Contract.

1.3

CONTRACTOR'S USE OF SITE

A. Limit use of Site to allow:

1. Owner occupancy.

2. Work by Others, if any, as listed in this specification.

3. Use of Site by the public within public right of way.

B. Time Restrictions for Performing Work: Comply with Section 01 14 00 – Work Restrictions

C. Sound Level Restrictions: Sound pressure level measured at boundary of Site shall not exceed 90 dBA.

1.4

CLEANING OF SITE

A. On a daily basis, following completion of the Work (pipe installation, concreting and asphalting, spreading top soil, or sodding and seeding) and prior to leaving the Site, the Contractor shall thoroughly clean the roadway and remove the excess material from the roadway so that it is not deposited in the roadway drainage system.

01 11 00 - 3

B. When directed by the Engineer, but not less than weekly, the Contractor shall sweep the streets with a street sweeper. The sweeper shall have a main broom, conveyor, sprinkler system, and a storage hopper. This requirement shall apply to any streets or roads in the vicinity of the Work which are affected by the Contractor's construction or hauling operations, and as well as to streets or roads in which the Work is located. Should the Contractor neglect his duties in maintaining the proper street or road cleanliness, the Owner has the authority to take necessary steps to perform such cleaning and will charge the Contractor for those costs.

C. The Contractor shall at all times keep the street pavement and right-of-way and any public or private premises temporarily occupied for purposes of Work under this Contract free from accumulations of waste material or rubbish caused by the Contractors employees or the Work.

This requirement applies to any streets in vicinity of the Work which are affected by the

Contractor's construction or hauling operations, as well as to streets in which the Work is located.

If the Contractor should fail to keep any street cleaned of debris resulting from their operations, and therefore creating a public nuisance, they shall be notified in writing by the Engineer to clean the street and remove the nuisance immediately. If, within 24 hours after the receipt of such notice, the Contractor should have failed to clean such street satisfactorily, the Engineer shall order the street cleaned by the Department of Public Works or such other agency and all costs of such cleaning shall be paid by the Contractor.

D. Dirt, mud, construction materials or other debris deposited on public sidewalks or streets as the result of spilling, tracking by the wheels of trucks or construction equipment or by other actions of the Contractor, his employees or subcontractors shall be immediately removed by the

Contractor.

E. Unless otherwise stated in the milestones in the Contract Documents, the Contractor shall have all hard surfaces restored within thirty (30) days which shall include all cleaning of the Site, and the requirements as listed herein.

1.5 MATERIAL STORAGE

A. Comply with Section 01 52 00 Temporary Facilities for all temporary staging area requirements for material, equipment, and supplies.

B. Materials delivered on the street shall be neatly and compactly stored in such a manner as to cause the least inconvenience to adjacent property owners and the general public.

C. Working and storage areas shall be promptly restored to their original conditions as soon as the required construction work has been completed at the particular location and shall not be used as a storage area for unneeded material or construction equipment.

D. All materials delivered and stored in close proximity to the working area shall be properly barricaded and protected, maintaining a safe Site for workers and the general public.

E. Only materials and construction equipment currently being used may be stored at the construction site and within the jurisdictional right of way.

01 11 00 - 4

1.6 WORK SEQUENCE

A. Construct Work in phases during construction period. Coordinate construction schedule and operations with Owner.

1.7 PERMITS

A. For the purpose of this Contract, the Owner has established agreements for annual right-of-way permits necessary to perform the work within the City, Wayne County, and MDOT right-of-way limits.

B. Due to the as-needed nature of this Contract, a Historic District Commission permit has not been obtained. However, the Contractor shall adhere to the requirements listed in the concrete paving specifications for Historic District areas which can be found on the detroitmi.gov website.

1.8 SPECIFICATION CONVENTIONS

A. These Specifications include sections that may or may not be directly relevant to the Work of this

Contract as described in the Contract Documents. Some Specifications are included for reference and will only be relevant if the Specification topic is encountered or required over the course of the Work as a result of the Contractor’s performance and Site conditions.

B. All DWSD Standard Specifications as listed on the DWSD website shall be used and referenced as relevant to the performance of the Contract work.

C. DWSD Standard Details may be included for reference in the Drawings or Contract Documents.

All DWSD Standard Details as listed on the DWSD website shall be used and referenced as relevant to the performance of the Contract work.

PART 2 - PRODUCTS - Not Used

PART 3 - EXECUTION - Not Used

END OF SECTION 01 11 00

01 14 00 - 1

WORK RESTRICTIONS

SECTION 01 14 00 - WORK RESTRICTIONS

1. Requirements.

2. Private Land.

3. Planned Construction Locations.

4. Open Excavations.

5. Test Pits.

6. Cooperation within this Contract.

7. Protection of Construction and Equipment.

8. Precautions during Adverse Weather.

9. Confined Space Entry.

1.2 REQUIREMENTS

A. Coordination:

1. Furnish personnel, equipment and construction aids that will be efficient, appropriate, and sufficient to secure a satisfactory quality of work as defined by the specification and a rate of progress that will ensure the completion of the Work within the time stipulated in the Contract Documents.

2. Coordinate with MISS DIG (811) and other Agencies having jurisdiction over property or structures in and around the construction area and locate all utilities potentially affected by the Work.

3. If at any time, Contractor’s resources appear to the Engineer to be inefficient, inappropriate, or insufficient to achieve the required quality or rate of progress of the Work, the Engineer may ask the Contractor to increase the efficiency, change the character, or increase the number of personnel and equipment to meet the schedule of the Contract. Failure of the Engineer to give such direction shall in no way relieve the Contractor of its obligations to secure the required quality or rate of progress of Work.

B. Hours of Work:

1. Under this Emergency As-Needed Contract, the Contractor is to act as soon as possible when directed by the Owner in order to perform the Work.

2. Contractors shall be on-call 24hrs a day, 7 days a week with crews available to mobilize immediately.

01 14 00 - 2

3. The Contractor shall include in its bid price all overtime and/or premium time required for performing any work associated with this as-needed Work.

C. Shutdowns:

1. A shutdown shall be defined as a portion of the normal operation of a unit or conduit that has to be suspended or taken out of service in order to perform the specified Work. For each shutdown, compile an inventory of labor and materials required to perform tasks, an estimate of the time required, including time for the

Owner to take down and start up the unit or conduit, and a written description of steps required to complete all tasks. The inventory, the estimate, and written procedures shall be submitted to the Engineer for review 30 calendar days prior to the proposed start date of the shutdown. Request, in writing from the Engineer, approval for each shutdown, a minimum of 14 calendar days prior to the proposed shutdown date. No shutdown shall be initiated until the inventory of materials and labor is verified by the Engineer on site prior to the proposed start date.

2. Under this emergency as-needed contract, the Contractor is to act as soon as possible when directed by the Owner in order to perform the Work. It is understood that the lead time for inventory, estimate, procedures and request for shutdown may not be feasible under this emergency contract. The Contractor shall make all submittals immediately and begin work upon approval of the

Engineer.

3. The Work required herein, and any other Work required by the Engineer which may interrupt the normal operations shall be accomplished at such times that will be convenient to the Owner whether during the nighttime hours or during weekend hours. The Contractor shall include in its bid price all overtime and/or premium time required for performing any work associated with these shutdowns.

4. Have on hand and located in close proximity to the Work area, all tools, equipment, spare parts and materials, both temporary and permanent, necessary to complete each Work category without interruptions. Adequate numbers of personnel shall be scheduled for each shutdown, so that the Work shall be accomplished within the specified time frame. The Engineer shall be satisfied that Contractor has complied with these requirements, to the fullest extent possible, before shutdowns will be authorized.

5. If Contractor’s procedures cause an unscheduled shutdown of the facilities, perform all Work necessary to immediately re-establish satisfactory operation.

Notify the Engineer, in writing, immediately of any unscheduled shutdown. Permit

Owner’s personnel to work with Contractor’s personnel, as deemed necessary by the Owner, to maintain the facilities in continuous satisfactory operation.

Unscheduled shutdowns or interruptions of continued safe and satisfactory operation of the facilities that result in fines levied by regulatory agencies shall be the responsibility of Contractor if it is demonstrated that Contractor was negligent in the Work or did not exercise proper precautions in the conduct of the Work.

6. Shutdowns of Electrical and Control Systems: Contractor and the Owner shall each lock out and tag circuit breakers and switches operated by the Owner and

01 14 00 - 3 shall check cables and wires to be sure that they are de-energized to ground potential before Work begins. Upon completion of the Work, remove the locks and tags and notify the Engineer that the facilities are available for use. The Owner will then remove its locks and place facilities back into use. The Contractor shall supply own locks. Locks shall be checked at the beginning of each shift. Comply with the Owner’s Lockout/Tagout procedure. Shutdowns for any electrical wiring or I&C cables shall be coordinated with the Owner.

D. General Requirements:

1. Develop a program in cooperation with the Engineer to provide for the construction and putting into service the new work in the most orderly manner possible and in coordination with continued operations of the facilities and all ongoing construction projects at the time of construction of this project.

2. Adhere to such program except as deviations therefrom are expressly permitted in writing by the Engineer.

3. Plan all Work of connecting with, cutting into, and reconstructing existing pipes or structures so as not to interfere with the operation and maintenance of the existing facilities. Schedule Work that will affect operation of existing facilities for the shortest possible time and when the demands on the facilities best permit such interference, even though it may be necessary to work outside of normal working hours to meet these requirements.

4. For water main work, dewater process and utility pipelines back to the nearest closed valve at the beginning of each piping shutdown.

5. Provide all appropriate means and methods to ensure that water services in the areas and facilities associated with this project are maintained uninterrupted during construction.

6. Make minor modifications to such work relating to existing structures as may be necessary, without additional compensation.

7. Before starting any Work, which may interfere with the operation of the existing facilities, do all possible preparatory Work and see that all tools, materials, and equipment to be installed are made ready and at hand.

8. Conduct construction operations in most orderly manners such as these operations:

a. Interfere as little as possible with the operations of the existing facilities and other ongoing construction contracts.

b. Does not damage existing equipment, structures, etc., or cause disruption to the operations of the existing facilities.

9. Make no claim for additional compensation by reason of delay or inconvenience in adapting construction operations to the need for continuous operations of the existing facilities.

10. Do not begin any portion of Work that will interfere with continued operations of the facilities until such schedule is accepted and approved in writing by the

Engineer.

01 14 00 - 4

11. Contact the Systems Control Center fourteen (14) days prior to any required

‘Sewer Shutdown’ or ‘Manned Entry’ required within the sewer. Complete an

Equipment Shutdown Request form and call 313-267-6000 to inform Systems

Control of the planned shutdown and entry. Equipment Shutdown Request form is found attached to this specification.

1.3 PRIVATE LAND

A. Do not enter or occupy private land outside of the designated construction area or property limits, except as specified in the Contract Documents.

B. Provide Owner with copies of any agreements made by the Contractor with private landowners or other government agencies (i.e. Detroit Land Bank) to occupy or use their property.

C. Photographs and/or videos shall be taken to document existing private land conditions and post construction conditions. The photographic documentation shall comply with Section 02 22 30

Pre-Construction Video and Photographic Record.

1.4 PLANNED CONSTRUCTION LOCATIONS

A. The work shall be installed substantially as indicated on the Drawings.

B. Where pipe fittings or other items are noted on the Drawings, such notation is for the Contractor's convenience and does not relieve the Contractor from installing different or additional items where required to complete the work.

1.5 OPEN EXCAVATIONS

A. Comply with all requirements of MISS DIG Public Act 174 including contacting MISS DIG, hand excavation near utilities, and contacting 911 in case of emergency.

B. Excavations shall have sloping, sheeting, shoring, and bracing conforming with 29CFR1926

Subpart P-Excavations, and OSHA requirements. Safeguard all open excavations by providing barricades, caution signs, lights, and other means to prevent accidents to persons or damage to property. Provide suitable and safe bridges and other crossings for accommodating travel by pedestrians and workmen. Bridges provided for access during construction shall be removed when no longer required. The length of an open trench shall always be confined to the limits prescribed by the Engineer. If the excavation becomes a hazard, or if it excessively restricts traffic at any point, the Engineer may require special construction procedures such as limiting the length of the open trench, prohibiting stacking excavated material in the street, and requiring that the trench not remain open overnight.

01 14 00 - 5

C. Take precautions to prevent injury to personnel due to open trenches. All trenches, excavated materials, equipment, or other obstacles that could be dangerous to the public, shall be well lit at night.

1.6 TEST PITS

A. Test pits for the purpose of locating underground pipelines or structures in advance of the construction shall be excavated and backfilled by the Contractor in accordance with project specifications and drawings.

B. Test pits shall be backfilled immediately after their purpose has been satisfied and the surface shall be restored and maintained in accordance with project specifications and drawings.

1.7 COOPERATION WITHIN THIS CONTRACT

A. Contractor and its subcontractors shall assist in incorporating the work of other trades where necessary or required.

B. Cutting, patching, drilling, and fitting shall be carried out by the trade or subcontractors having jurisdiction, unless otherwise indicated herein or directed by the Engineer.

C. Phase the Work so that all chases or openings for the installation of its own or any other

Contractor's or subcontractor’s work are available to prevent delays. All sleeves or forms delivered to the work area shall be properly set in ample time to prevent delays. All chases, openings, and sleeves shall be located accurately and are of proper size and shape. Consult with the Engineer and any Contractors and subcontractors related to this Work.

D. In case of failure to leave or cut all such openings or have all such sleeves provided and set in the proper time, cut them or set them afterwards at no additional expense to the Owner. In so doing, confine the cutting to the smallest extent possible consistent with the Work to be done. In no case shall piers or structural members be cut without the written consent of the Engineer.

E. Carefully fit around, close up, repair, patch, and point around the Work specified herein to the satisfaction of the Engineer.

F. All of the Work shall be done carefully by workers competent to do such work and with the proper small hand tools. Power tools shall not be used except where, in the opinion of the

Engineer, the type of tool proposed can be used without damage to any Work or structures and without inconvenience or interference to the operation of any facilities. The Engineer's concurrence with the type of tools shall not in any way relieve or diminish the responsibility of the Contractor for such damage, inconvenience, or interference resulting from the use of such tools.

G. Do not alter or permit any worker or subcontractor to alter the Work of any other Contractor or subcontractors working on said job, except with written consent of the Contractor or

01 14 00 - 6 subcontractors whose Work is to be altered or with the written consent of the Engineer. All cutting, patching, or repairing made necessary by the negligence, carelessness, or incompetence of the Contractor or any of its subcontractors, shall be the responsibility of the Contractor and shall be done by or at the expense of the Contractor.

1.8 PROTECTION OF CONSTRUCTION AND EQUIPMENT

A. All newly constructed Work shall be carefully protected from damage in accordance with

Contract Documents. Wheeling, walking or placing of heavy loads will be minimized and the

Contractor, at its own expense, shall reconstruct any portions of the Site damaged.

B. All structures shall be protected in a manner approved by the Engineer. If, in the final inspection of the Work, any defects, faults, or omissions are found, repair or remove and replace utilizing specified materials and workmanship without extra compensation for the materials and labor required. Maintain and repair the construction and other Work undertaken herein, for the warranty period described in the Contract Document, or until the end of the maintenance period, whichever is longer.

C. Take all necessary precautions to prevent damage to any part of the Work due to water pressure during and after construction until such Work is accepted by the Engineer.

1.9 WINTER SHUTDOWN PROVISIONS

A. The winter shutdown requirements as listed below will pertain to the main water and sewer

Capital Improvement Plan (CIP) Contracts. All other Contracts shall be excluded from winter shutdown provisions unless otherwise notified by the Owner.

B. Due to the extreme inconvenience to Detroit Water and Sewerage customers and the public in general, and also due to the impossibility of performing prompt, permanent restoration during the winter season, work on water main and sewer CIP Contracts shall be temporarily halted after the second week of November or as authorized by the Engineer. The Contract work shall promptly resume during the third week of April of the following year or as authorized by the Engineer.

C. All requests to continue Work during the winter season shall be submitted via request for information (RFI) for approval from the Owner at least thirty (30) days prior to winter shutdown.

The RFI shall include as a minimum:

1. Anticipated winter work schedule

2. Scope of work

3. Number of crews

D. The following items shall be completed by the Contractor prior to winter shutdown:

1. All Contractor’s equipment shall be removed from the site.

2. All pipes and materials not incorporated in the work shall be removed from the site.

01 14 00 - 7

3. Hard surfaces, where permanent restoration has not been made, shall have stone and cold patch installed subject to approval by the Engineer.

4. All hard surfaces must be restored within 30 days per the Contract unless otherwise stated in the Book 1 milestone dates.

5. All berm areas where mulched seeding has not been placed shall be rough graded and left free of depression and piles of soil.

6. Repair of all known water main leaks.

7. Pumping out of all hydrants that were used.

8. Cleaning out of catch basins where required.

E. The above list is not inclusive. The site(s) shall be made safe for the general public and to abandoned in a manner to protect the Work. All winter shutdown provisions shall be performed to the satisfaction of the Engineer.

1.10 PRECAUTIONS DURING ADVERSE WEATHER

A. Take all necessary precautions during and against the possibility of adverse weather so that the

Work may be done properly and satisfactory in all respects. Protection shall be provided by use of tarpaulins, wood and building-paper shelters, or other suitable means. All protection during adverse weather must be securely fastened.

B. During cold weather, materials shall be preheated, if required, and the materials and adjacent structure into which they are to be incorporated shall be made and kept sufficiently warm so that a proper bond will occur, and proper curing, aging, or drying will result. Protected spaces shall be artificially heated by suitable means resulting in a moist or a dry atmosphere according to the particular requirements of the Work being protected. Ingredients for concrete and mortar shall be sufficiently heated so that the mixture will be warm throughout when used. Provide suitable means of protection to prevent freezing below slabs and any other Concrete Work to frost heave.

This shall include all existing and new facilities. The Contractor shall be responsible for following all cold weather provisions as listed in the DWSD Standard Specifications should the Contractor decide to continue work in cold weather.

1.11 CONFINED SPACE ENTRY

A. Applicable confined space entry procedures shall be followed.

B. At the preconstruction meeting, submit to the Engineer a copy of the Contractor’s safety plan for confined space entry in accordance with current OSHA and MIOSHA requirements. Prior to entry into any confined space, submit to the Engineer a copy of the daily entry permit in accordance with current OSHA and MIOSHA requirements.

C. Perform all work in accordance with the latest edition of Construction Safety Standards as adopted by the Michigan Department of Labor Construction Safety Standards for Occupational

Health.

01 14 00 - 8

D. Perform all work in accordance with the latest edition of Michigan Department of Environment, Great Lakes, and Energy Occupational Health Standard for Construction.

E. Comply with the latest edition of the requirements, specifications and standards as provided for under the Michigan Occupational Safety and Health Act., as amended, and in force at the date thereof and all other applicable Owner, Federal, State and Local requirements, ordinances, statutes and laws.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Provide materials for construction aids.

B. Materials for construction aids may be new or used provided they are suitable for the intended purpose and do not violate requirements of applicable codes and standards.

C. Maintain facilities and equipment in first-class condition.

2.2 CONSTRUCTION AIDS

A. Provide construction aids and equipment necessary to facilitate the execution of the Work, such as scaffolds, staging, ladders, stairs, ramps, runways, platforms, railings, hoists, cranes, chutes, and other such facilities and equipment. Refer to respective sections for particular requirements for each trade.

B. When permanent stair framing is in place, provide temporary treads, platforms, and railings for use by construction personnel.

PART 3 - EXECUTION

3.1 PREPARATION

A. Consult with the Engineer, review site conditions and factors that will affect construction procedures and identify necessary construction aids.

B. Determine if adjacent properties and public facilities will be affected by execution of the Work and develop strategies to address impacts.

3.2 INSTALLATION

A. Installation: According to OSHA/MIOSHA standards and manufacturer's instructions.

01 14 00 - 9

3.3 REMOVAL

A. Completely remove temporary materials, equipment, and services when construction needs can be met by using permanent construction and at the completion of the Work. Remove foundations and underground construction aids. Grade areas of the site affected by temporary installations to required elevations and slopes and clear fire area.

B. Clean and repair any damage caused by installation or use of temporary facilities. Restore permanent facilities used for temporary purposes to original conditions unless otherwise specified.

END OF SECTION 01 14 00

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01 20 00 - 8

PRICE AND PAYMENT PROCEDURES

DWSD Standard Specification

September 2023

SECTION 01 20 00 - PRICE AND PAYMENT PROCEDURES

1. Permit Allowances.

2. Provisional Allowances.

3. Contaminated Material Allowances.

4. Schedule of Values.

5. Application for Payment.

6. Change Procedures.

7. Defect Assessment.

8. Unit Prices.

9. Measurement and Payment General Notes.

10. Unit Price Schedule.

1.2 PERMIT ALLOWANCES

A. If required, included in the Contract will be a stipulated sum/price for reimbursement of acquired permits as a permit allowance.

B. Costs Included in Permit Allowances: Cost of permit acquired by Contractor and applicable taxes.

Any cost the Contractor deems necessary for overhead, profit, and other expenses on account of a permit allowance should be included elsewhere in the bid in the total Contract Price.

C. Contractor Responsibilities:

1. Arrange for and acquire all necessary permits as stated in the Contract Documents.

2. Promptly inspect products upon delivery for completeness, damage, and defects. Submit claims for transportation damage.

D. Payment under permit allowances will be on an actual cost basis. The receipts for permits that have been secured by the Contractor shall be presented to the Owner for reimbursement.

E. At closeout of Contract, funds remaining in the permit allowance will be credited to Owner by

Change Order.

1.3 PROVISIONAL ALLOWANCES

A. If required, included in the Contract will be a stipulated sum/price for use upon Owner's instruction as a provisional allowance.

01 20 00 - 9

B. Contractor's costs for products, delivery, installation, labor, payroll, taxes, equipment rental, overhead, and profit will be included in Construction Change Authorizations authorizing expenditure of funds from this provisional allowance. Insurance and Bond premiums shall be included elsewhere in the bid and are not redeemable in the provisional allowance.

C. Funds will be drawn from provisional allowance only by a Construction Change Authorization.

D. At closeout of Contract, funds remaining in the provisional allowance will be credited to Owner by

Change Order.

1.4 CONTAMINATED MATERIAL ALLOWANCES

A. If required, included in the Contract will be a stipulated sum/price for reimbursement of payment associated with the removal of contaminated material via a contaminated material allowance.

B. Requirements for the handling, hauling, disposal, and all associated costs and fees of hazardous waste materials; non-hazardous waste materials; and petroleum contaminated soils will be included in the reimbursement cost of the contaminated material allowance. If chemicals of concern found in groundwater are of a nature and/or concentration that necessitate handling the groundwater as hazardous material, reimbursement of costs will be provided under the contaminated material allowance.

C. All costs for products, delivery, installation, labor, payroll, taxes, equipment rental, overhead, profit, field monitoring, on-site testing and laboratory testing for contaminated materials will be included elsewhere in the bid in the total Contract Price and will not be included in the reimbursement via contaminated material allowance.

D. Payment under contaminated material allowances will be on an actual cost basis. The receipts for all reimbursement costs for the handling, hauling, disposal, and all associated costs and fees that have been incurred by the Contractor shall be presented to the Owner for reimbursement.

E. At closeout of Contract, funds remaining in contaminated material allowance will be credited to

Owner by Change Order.

1.5 SCHEDULE OF VALUES

A. Submit printed schedule on Contractor's standard form or an approved electronic media printout will be considered for this use.

B. The Contractor shall submit a Schedule of Values for review and acceptance in agreement with the deadlines established in the Book 1 Contract Documents.

C. Format: Use Unit Price Schedule of this Specification. Identify each line item with the number and title of major bid item followed by a schedule of values for payment including division of all Lump

Sum items into a schedule of values for payment.

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D. Revise schedule to list approved Change Orders and Construction Change Authorizations with each

Application for Payment.

1.6 APPLICATION FOR PAYMENT

A. Content and Format: Transmit application for payment using approved electronic procedures and forms. Use Schedule of Values for listing items in Application for Payment.

B. Payment Period: In accordance with the agreement between Owner and Contractor.

C. Substantiating Data: When Engineer requires substantiating information, submit data justifying dollar amounts in question.

D. Include the following as mandatory with each Application for Payment:

1. Contractor and Subcontractor waivers of claim: Partial release of liens from all Subcontractors and vendors.

2. Monthly Safety Reports.

E. Include the following with each Application for Payment if requested by the Engineer. Items that are required to be submitted shall be submitted and approved prior to submission of Application for

Payment:

1. Current construction photographs specified in Section 01 33 00 - Submittal Procedures.

2. Record Documents as specified in Section 01 78 39 – Electronic Project Record

Documentation and Book 1 C-700 7.12, for review by Owner, which will be returned to

Contractor.

3. Affidavits attesting to off-Site stored products.

4. Task Order Progress Schedule, as necessary for continuing projects, revised and current as specified in Section 01 32 16 – Construction Progress Schedule.

5. Test reports and documentation

6. Updated Schedule of Submittals

7. Application for Payment Bid Items Supporting documentation, submittals, acceptance of work documents, etc.

1.7 CHANGE PROCEDURES

A. Submittals: Submit name of individual who is authorized to receive change documents and is responsible for informing others in Contractor's employ or Subcontractors of changes to the Work.

B. Carefully study and compare Contract Documents before proceeding with fabrication and installation of Work. Promptly advise Engineer of any error, inconsistency, omission, or apparent discrepancy.

C. Requests for Interpretation (RFI) and Clarifications: Allot time in construction scheduling for liaison with Engineer; establish procedures for handling queries and clarifications.

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1. Use e-Builder for requesting interpretations.

2. The Engineer will respond with a direct answer on e-Builder or via a Field Order.

D. The Engineer will advise of minor changes in the Work not involving adjustment to Contract

Sum/Price or Contract Time by issuing supplemental instructions on a Field Order Form.

E. Contractor shall submit a Change Proposal to propose changes to the Work. The request for change shall be submitted to the Engineer, describing proposed changes and its full effect on the Work.

Include a statement describing reason for the change and the effect on Contract Sum/Price and

Contract Time with full documentation and a statement describing effect on the Work by separate or other Contractors.

F. Work Change Directive: Engineer may issue directive, signed by Owner, instructing Contractor to proceed with change in the Work, for subsequent inclusion in a Change Order. Document will describe changes in the Work and designate method of determining any change in Contract

Sum/Price or Contract Time.

G. Stipulated Sum/Price Change Order: Based on Work Change Directive and Contractor's price quotation or Contractor's request for Change Order as approved by Engineer.

H. Unit Price Change Order: For Contract Unit Prices and quantities, the Change Order will be executed on a fixed unit price basis. For unit costs or quantities of units of that which are not predetermined, execute Work under Work Change Directive. Changes in Contract Sum/Price or Contract Time will be computed as specified for Time and Material Change Order.

I. Work Change Directive: Engineer may issue directive, signed by Owner, instructing Contractor to proceed with change in the Work, for subsequent inclusion in a Change Order. Document will describe changes in the Work and designate a method of determining any change in Contract

Sum/Price or Contract Time. Promptly execute change.

J. Time and Material Change Order: Submit itemized account and supporting data after completion of change, within time limits indicated in Conditions of the Contract. Engineer will determine change allowable in Contract Sum/Price and Contract Time as provided in Contract Documents.

K. Maintain detailed records of Work done on time and material basis. Provide full information required for evaluation of proposed changes and to substantiate costs for changes in the Work.

L. Document each quotation for change in Project Cost or Time with sufficient data to allow evaluation of quotation.

M. Execution of Change Orders: Engineer will issue Change Orders for signatures of parties as provided in Conditions of the Contract.

N. Correlation of Contractor Submittals:

1. Promptly revise Schedule of Values and Application for Payment forms to record each authorized Change Order as separate line item and adjust Contract Sum/Price.

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2. Promptly revise Progress Schedules to reflect change in Contract Time, revise sub-schedules to adjust times for other items of Work affected by the change and resubmit.

3. Promptly enter changes in Record Documents.

1.8 DEFECT ASSESSMENT

A. Replace the Work, or portions of the Work, not conforming to specified requirements.

B. If, in the opinion of the Engineer, it is not practical to remove and replace the Work, the Engineer will direct appropriate remedy or adjust payment.

C. Individual Specification Sections may modify these options or may identify specific formula or percentage sum/price reduction.

D. Authority of the Engineer to assess defects and identify payment adjustments is final.

E. Non-Payment for Rejected Products: Payment will not be made for rejected products for any of the following reasons:

1. Products were wasted or disposed of in a manner that is not acceptable.

2. Products are determined as unacceptable before or after placement.

3. Products not completely unloaded from transporting vehicles.

4. Products placed beyond lines and levels of the required Work.

5. Products remaining on hand after completion of the Work.

6. Loading, hauling, and disposing of rejected products.

1.9 UNIT PRICES

A. Authority: Measurement methods are delineated as indicated below in the unit price schedule.

B. Take measurements and compute quantities. The Engineer may verify measurements and quantities.

C. Unit Quantities: Quantities and measurements indicated on Bid Schedule are for Contract purposes only. Actual quantities provided shall determine payment.

1. When actual Work requires more or fewer quantities than those quantities indicated, provide required quantities at contracted unit sum/prices.

2. The unit prices shall remain unchanged for the duration of the Contract regardless of the respective quantities used.

3. The Bidder agrees that the unit prices shall remain unchanged for the duration of the Contract and will not be increased regardless of the quantities used, whether the quantity of a particular item increases or decreases or if the item is not used at all.

D. Payment Includes: Full compensation for required labor, products, tools, equipment, plant and facilities, transportation, services and incidentals; erection, application, or installation of item of the

Work; overhead and profit.

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E. Final payment for Work governed by unit prices will be made on basis of actual measurements and quantities accepted by Engineer multiplied by unit sum/price for Work incorporated in or made necessary by the Work.

F. Measurement of Quantities:

1. Weigh Scales: Inspected, tested, and certified by applicable State Weights and Measures

Department within past year.

2. Platform Scales: Of sufficient size and capacity to accommodate conveying vehicle.

3. Metering Devices: Inspected, tested, and certified by applicable State department within past year.

4. Measurement by Weight: Concrete reinforcing steel, rolled or formed steel, or other metal shapes will be measured by handbook weights. Welded assemblies will be measured by handbook or scale weight.

5. Measurement by Volume: Measured by cubic dimension using mean length, width, and height or thickness.

6. Measurement by Area: Measured by square dimension using mean length and width or radius.

7. Linear Measurement: Measured by linear dimension, at item centerline or mean chord.

8. Stipulated Sum/Price Measurement: Items measured by weight, volume, area, or linear means or combination, as appropriate, as completed item or unit of the Work.

1.10 MEASUREMENT AND PAYMENT GENERAL NOTES

The following items will not be paid for separately. All associated costs for these items shall be included in the total price of the Contract and among the bid items included in the bid schedule.

A. Insurance and Bonds:

1. The costs of all required insurance and bonds as listed in the bid schedule and the Contract

Documents will not be paid for separately and shall be included in the unit prices of this

Contract.

B. Field Office:

1. A field office is not required for this as-needed Contract which will be executed in various areas throughout the City. If the Contractor wishes to operate out of a field office for any portion of this Work the costs will be included within the unit prices of this Contract.

C. Staging Area:

1. A staging area is not required for this as-needed Contract which will be executed in various areas throughout the City. If the Contractor wishes to procure and maintain a staging area to store materials, equipment, and supplies for any portion of this Work the costs will be included within the unit prices of this Contract. Only materials and construction equipment currently being used may be stored at the construction site and within the jurisdictional right of way.

D. Material Testing:

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1. Material testing, in-situ testing, and quality control measures as listed in the Specifications and the measurement and payment descriptions will be the responsibility of the Contractor.

The Engineer reserves the right to verify in-situ or lab testing results by enlisting a third-party to perform quality assurance at their discretion.

E. Safety Program:

1. Safety Program as listed in the specifications per Section 01 35 29 Safety Program will be the responsibility of the Contractor and will not be paid for separately.

2. All submittals related to safety program requirements per the specifications must be submitted and approved in order to receive approval to mobilize and begin the Work.

F. Traffic Control:

1. The costs of all required traffic control on local City of Detroit residential streets which do not classify as a major thoroughfare will not be paid for separately. All costs of materials, labor, and equipment for traffic control and closures on local City of Detroit residential roadways will not be paid for separately and shall be included within the unit prices of this Contract. The costs for traffic control in major City thoroughfares, county right of way, and state right of way will be paid for under the traffic control items as included in the Contract.

G. Tree Trimming:

1. The costs of all required tree trimming on City of Detroit Street right of ways and backyard and alley sewer easements will not be paid for separately. Tree trimming must be performed by qualified personnel and in advance of any overhead Work that may affect overhanging limbs or branches. All costs of materials, labor, and equipment for tree trimming shall be included within the unit prices of this Contract. Notify the Engineer in advance of any tree trimming that will need to be performed so that the Engineer may notify the applicable City of Detroit department inspector.

H. Additional items described in the Specifications that will not be paid for separately and will be included within the unit prices of this Contract:

1. Shop Drawings.

2. Safety Program.

3. Dust Control.

4. Temporary Steel Plating.

5. Project Record Documents (As-Builts)

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1.12 MEASUREMENT AND PAYMENT DESCRIPTIONS

SEWER

Mobilization, Sewer Repair and Replacement, Open Cut

a. The Contractor shall furnish all necessary personnel, equipment, labor, and materials for move-ment of equipment and personnel to the project site.

b. Payment for mobilization costs will be made in conjunction with the demobilization of the Site including punch list completion, removal of equipment and final site clean-up, subject to the Con-tractor’s compliance with the requirements specified in the Contract Documents.

c. No payment for mobilization or demobilization will be made for the purpose of sewer video in-spection, sewer cleaning, sewer lining or trenchless point repairs. All costs should be included within the items for sewer inspection, cleaning, lining and trenchless point repairs.

d. No payment for mobilization will be made for additional open cut sewer repair and replacements within a one-mile radius if the locations of work are issued at the same time or if additional repairs are discovered upon mobilization and inspection within the same vicinity of the issued work.

e. The accepted quantities for this work will be paid for at the contract unit price “Mobilization, Sewer Repair and Replacement, Open Cut…EA” complete in place.

Mobilization, Sewer Structure Installation and Repair

a. The Contractor shall furnish all necessary personnel, equipment, labor, and materials for move-ment of equipment and personnel to the project site.

b. Payment for Mobilization costs will be made in conjunction with the demobilization of the Site including punch list completion, removal of equipment and final site clean-up, subject to the Con-tractor’s compliance with the requirements specified in the Contract Documents.

c. No payment for mobilization will be made for additional sewer structure installation or repair within a one-mile radius if the locations of work are issued at the same time or if additional repairs are discovered upon mobilization and inspection within the same vicinity of the issued work.

d. The accepted quantities for this work will be paid for at the contract unit…