J.1_Technical_Specification_WEP.pdf

Sanniquellie & Voinjama 26 October 2018 – Ver.01

LIBERIA

Liberia Municipal Water Project II Watermain Expansion Project

Technical Specifications

This publication was produced for review by the Unites States Agency for International Development. It was prepared by Tetra Tech under the A&E IDIQ II, Task Order AID-669-TO-16- 00008

Tetra Tech Contact Information:

Safaa Fakorede, Liberia Municipal Water Project II (LMWP II) Chief of Party

COVER PHOTO: Water Treatment Plant Sanniquellie, Liberia – August 2018

All photos are by Tetra Tech, Inc.

LIBERIA MUNCIPAL WATER PROJECT II

Watermain Expansion Project

TECHNICAL SPECIFICATIONS

INDEX

DESCRIPTION SECTION

DIVISION 1 – GENERAL REQUIREMENTS

010000 GENERAL REQUIREMENTS ..................................................................... 010000-1 011000 SUMMARY OF WORK................................................................................ 011000-1 012100 ALLOWANCES ............................................................................................ 012100-1 012200 UNIT PRICES ............................................................................................... 012200-1 012500 SUBSTITUTION PROCEDURES ............................................................... 012500-1 012600 CONTRACT MODIFICATION PROCEDURES ......................................... 012600-1 012900 PAYMENT PROCEDURES ......................................................................... 012900-1 013100 PROJECT MANAGEMENT AND COORDINATION ............................... 013100-1 013200 CONSTRUCTION PROGRESS DOCUMENTATION ............................... 013200-1 013300 SUBMITTAL PROCEDURES ...................................................................... 013300-1 014000 QUALITY REQUIREMENTS ...................................................................... 014000-1 014200 REFERENCES .............................................................................................. 014200-1 015000 TEMPORARY FACILITIES AND CONTROLS ......................................... 015000-1 016000 PRODUCT REQUIREMENTS ..................................................................... 016000-1 017300 EXECUTION ................................................................................................. 017300-1 017700 CLOSEOUT PROCEDURES ........................................................................ 017700-1

DIVISION 2 – EXISTING SITE CONDITIONS

024119 SELECTIVE DEMOLITION ........................................................................ 024119-1

DIVISION 3 – CONCRETE

033000 CAST IN PLACE CONCRETE .................................................................... 033000-1

DIVISION 5 – METALS

055600 MISCELLANEOUS METALS ..................................................................... 055600-1

DIVISION 10 – SPECIALTIES

101100 MISCELLANEOUS TOOLS AND EQUIPMENT....................................... 101100-1

LIBERIA MUNCIPAL WATER PROJECT II

DIVISION 23-AIR CONDITIONING UNITS

238126 SPLIT-SYSTEM AIR-CONDITIONERS ..................................................... 238126-1

DIVISION 31–EARTHWORKS

311000 SITE CLEARING .......................................................................................... 311000-1 312200 EXCAVATING, BACKFILLING AND COMPACTING............................ 312200-1 312319 CONTROL OF WATER DURING CONSTRUCTION ............................... 312319-1 315000 SHORING ...................................................................................................... 315000-1

DIVISION 32–SITE IMPROVEMENTS

323120 BOLLARD ..................................................................................................... 323120-1

DIVISION 33–UTILITIES

330500 COMMON WORK RESULTS FOR UTILITIES ......................................... 330500-1 332200 WATER PIPE AND FITTINGS .................................................................... 332200-1 332300 WATER VALVES AND BOXES ................................................................. 332300-1 332500 WATER SERVICE CONNECTIONS .......................................................... 332500-1

409119 WATER METER……………………………………………………………409119-1

USAID - Liberia October 26, 2018 Liberia Municipal Water Project II

GENERAL REQUIREMENTS

010000 - 1/14

SECTION 010000 - GENERAL REQUIREMENTS

PART 1 - GENERAL

1.1 GENERAL

A. These General Requirements are additional Provisions and information that USAID and the Contractor agree shall apply to the work to be performed under this Contract.

1.2 MEASUREMENT OF QUANTITIES

A. Quantity of the items of work performed under this Contract shall be measured in conformance with the Drawings and these Specifications.

1.3 FITTING AND COORDINATION OF THE WORK

A. The Contractor shall be responsible for the proper fitting of all work and for the coordination of the operations of all trades, subcontractors, or materials and men engaged upon the work. He shall be prepared to guarantee to each of his sub-contractors the dimensions which they may require for the fitting of their work to all surrounding work and shall do, or cause his agents to do, all cutting and fitting, adjusting and patching necessary to make the several parts of the work come together properly and to fit the work to receive, or be received by, that of the contractors.

B. Deviations from the proposed locations shown on the Contract Plans will not be permitted without prior written approval by USAID.

C. The Contractor’s attention is specifically directed to the fact that much of the layout as indicated on the Drawings for pipes, conduit, and appurtenances is diagrammatical and the Contractor is totally responsible for coordinating the actual installation to avoid conflicts.

1.4 TEMPORARY UTILITIES

A. The Contractor shall furnish his own temporary connections as required to existing utilities and maintain them at his own expense.

1.5 TEMPORARY LIGHT AND POWER

A. The Contractor shall furnish his own temporary light and power as required for the prosecution and completion of the work.

GENERAL REQUIREMENTS

010000 - 2/14

1.6 TEMPORARY WATER

A. Water for drinking purposes and other usage will be provided by the Contractor at his own expense. The Contractor is required to have sufficient quantity of water on-site for all workers at the start of every day.

1.7 MATERIALS TO BE PROVIDED BY USAID

A. No materials or supplies are to be provided by USAID

1.8 UTILITY RELATED CHARGES

A. The Contractor is to include in his bid and pay any and all charges and back charges made by all the utility companies for materials, labor and services supplied by them for this project. These costs shall include but not be limited to: charges by the electric company for relocation of facilities and installation of new facilities; and all charges by utility companies for service during the project construction up to final completion.

1.9 PROJECT SCHEDULE

A. The Contractor shall be responsible for completing a detailed project schedule for work under this Contract. The schedule shall be comprehensive, covering all procurement, construction, testing and hand-over activities.

B. The types of activities to be included are as follows:

1. Each individual task of construction.

2. Procurement schedule for equipment and systems to include shop drawing submittals, and delivery dates.

3. Services of Manufacturers’ Representatives

4. Start-up date.

5. Field tests and disinfection.

6. Date of substantial completion.

7. Date of final completion.

C. The overall period of performance is defined in the contract documents.

D. The Contractor shall complete (furnish, install, and test) the items specified in the contract by the Period of Performance

1.10 RECORD PLANS

A. The Contractor shall maintain a record of, and show on all plans used in the work, all alterations, additions and changes in the work as originally planned. This record will be inspected weekly by USAID or its representative and shall be corrected by the Contractor if required.

GENERAL REQUIREMENTS

010000 - 3/14

B. The Contractor will be furnished with two additional sets of prints of the Contract Plans, at no charge, for carrying out the above described purpose. Both sets shall be presented to USAID in good condition upon completion of construction activities or as otherwise directed.

1.11 SPECIAL CONTROLS

A. The Contractor shall make special provisions to prevent excessive noise during construction.

No heavy construction equipment or large engine vehicle shall be allowed to operate on the site between the hours of 5 PM and 7 AM unless special permission is granted by USAID.

Temporary noise barriers shall be erected by the Contractor at the direction of USAID if the noise level at the perimeter of the site is determined as excessive.

B. The Contractor shall control dust during construction by the use of water or other acceptable means, as specified and approved in the Contractor’s Environmental Mitigation and Monitoring Plan (EMMP)

C. Dewatering procedures are as specified in Division 31, Control of Water During Construction.

D. This project is subject to the Safety and Health Regulations of the U.S. Department of Labor set forth in 29 CFR, part 1926. Contractors shall be familiar with the requirements of these regulations.

E. Since the project is located in and adjacent to an area used for a public water supply, the Contractor shall take every precaution necessary throughout the duration of the project to prevent and eliminate any contamination of the resource or the existing water utility water supply

1.12 WEEKEND AND HOLIDAY WORK

A. The Contractor shall refer to the contract for the allowable working days and hours.

1.13 PREBID CONFERENCE

A. Prior to the opening of bids, a prebid conference may be held. Notice of such meetings, if scheduled, will be included in the Advertisement for Bids.

1.14 PRECONSTRUCTION CONFERENCE

A. Prior to the start of construction there will be a preconstruction conference to discuss the phasing and scheduling of the construction project. The specific time and place of the conference shall be arranged by USAID.

1.15 PROJECT CLOSEOUT

A. As a requirement for completion of the project, the Contractor shall leave all work areas in clean and orderly conditions. The Contractor shall repair any and all disturbed areas to their condition prior to construction.

GENERAL REQUIREMENTS

010000 - 4/14

1.16 SECURITY

A. It is the Contractor’s responsibility to protect all equipment and materials stored on site or installed in-place from theft and vandalism until all project work has been completed and final project acceptance has been made by the USAID.

1.17 HANDLING, DISTRIBUTION AND STORAGE OF MATERIALS AND EQUIPMENT

A. The Contractor shall handle, haul, and distribute all materials and all surplus materials on the different portions of the Work, as necessary or required. The Contractor shall also provide suitable and adequate storage room for materials and equipment during the progress of the Work, and be responsible for the protection, loss of, or damage to materials and equipment furnished by him, until the final completion and acceptance of the Work.

B. Storage and demurrage charges by transportation companies and vendors shall be borne by the Contractor.

C. All excavated materials to be incorporated in the Work shall be placed so as not to injure any part of the work or existing facilities and so that free access can be had at all times to and all parts of the Work and to all public utility installations in the vicinity of the Work.

1.18 OCCUPYING PRIVATE LAND

A. The Contractor shall not (except after written consent from the proper parties) enter or occupy with men, tools, materials, or equipment, any land outside the rights-of-way or property of the Government of Liberia. A copy of the written consent shall be given to USAID.

1.19 OCCUPYING CITY OR COUNTY LAND

A. The Contractor shall not enter or occupy, with men, tools, materials or equipment, any City or County land for the purposes of using the land as a staging or storage area without permission of the City or County Administration. If permission is granted, a portion of payment shall be withheld until the Contractor has restored this area to the City/County’s satisfaction. The amount of payment withheld shall be agreed upon by the City/County and the Contractor but shall not be less than one hundred dollars. The Town may opt to withhold a percentage of each payment, to be determined as part of the agreement, to occupy Town land. The Contractor shall provide dated photos of existing conditions and shall restore the area occupied to a better condition as determined by the Town.

1.20 MISCELLANEOUS TESTING SERVICES

A. The Contractor shall provide all the coordination and cooperation required for the performance of all testing required by the Contract Documents. Unless specified otherwise, all testing and certification required are to be paid for by the Contractor and his suppliers and subcontractors.

B. Certain tests called for in the Contract Documents and listed below shall be performed by testing agencies selected by USIAD. These testing services shall be paid for by the Contractor

GENERAL REQUIREMENTS

010000 - 5/14 out of the Allowance for Testing, which is included in the Contract Bid Schedule. The tests included are:

1. All testing required under Division 33, including disinfection.

2. All pressure testing of new pipe installation.

3. All compaction testing of trench backfill.

1.21 ORDER OF WORK

A. The Contractor shall submit to USAID for acceptance a Project Schedule that is compatible with the award scope of work for the contract. The general sequence of construction work is to be submitted as a plan for completing the project in a manner acceptable to the Task Order Contract Officer (TOCO). It is a general outline only and requires the Contractor to account for all the details in formulating his own complete plan for the project. The Schedule shall indicate task by Cities.

1.22 SHOP DRAWINGS

A. The Contractor shall provide Shop Drawings for ALL materials and equipment to be furnished and installed as required by the Contract Documents. A minimum of 4 copies of each Shop Drawing are required unless otherwise specified. USAID’s acceptance of any Shop Drawing shall not release the Contractor from responsibility for deviations from the Contract Documents.

The acceptance of any Shop Drawing which substantially deviates from the requirement of the Contract Documents shall be evidenced by Change Order.

B. Shop drawings for all equipment and systems shall be complete packages including all information necessary for USAID to do a total review. When submitted for the USAID’s review, Shop Drawings shall bear the Contractor’s certification that he has reviewed, checked and approved the Shop Drawings and that they are in conformance with the requirements of the Contract Documents. All Shop Drawings and required submittals by subcontractors or Suppliers shall be forwarded to USAID only by the Contractor after he completes the above review and certification.

C. All deviations from the Contract Documents shall be clearly listed on the submittal by the manufacturer or Contractor. All certificates of compliance as called for in referenced standards shall accompany the submittal.

D. Portions of the Work requiring a Shop Drawing or sample submission shall not begin until the Shop Drawing or submission has been accepted by USAID. A copy of each accepted Shop Drawing and each accepted sample shall be kept in good order by the Contractor at the site and shall be available to USAID.

1.23 PERMITS

A. The Contractor shall obtain and pay for all local and Government of Liberia permits as may be required for the completion of work under this Contract at no extra charge to USAID. See the Section C of the contract for additional permit requirements.

GENERAL REQUIREMENTS

010000 - 6/14

1.24 OPEN EXCAVATIONS

A. All open excavations shall be adequately safeguarded by providing temporary barricades, caution signs, lights and other means to prevent accidents to persons, and damage to property.

The Contractor shall, at his own expense, provide suitable and safe means for completely covering all open excavations and for accommodating travel when work is not in progress.

B. The Contractor shall maintain safe access to residences and businesses during construction.

Bridges provided for access to private property during construction shall be removed when no longer required.

C. The length of open trench will be controlled by the particular surrounding conditions but shall always be confined to the limits prescribed by USAID.

D. If the excavation becomes a hazard, or if it excessively restricts traffic at any point, then special construction procedures shall be taken, such as limiting the length of trench and prohibiting stocking excavated material in the street.

E. All street excavations shall be completely closed at the end of each work day. Backfilling or use of steel plates of adequate strength to carry traffic shall be used.

1.25 SUPPORT AND RESTRAINT

A. It shall be the Contractor’s responsibility to provide all temporary and permanent support and thrust restraint components for proposed facilities impacted by his work or that of his subcontractors. Supports and restraints shall be adequately sized, reinforced and positioned so as to safeguard the condition and integrity of the piping, equipment and appurtenances.

1.26 EASEMENTS

A. If any portions of the work are located in easements, the Contractor has no rights outside of the easements unless they are obtained from the property the Government of Liberia.

B. Contractor shall schedule work so that it will cause minimum inconvenience and nuisance to abutting property owners, over the shortest possible time.

C. Easements shall be kept clean; no rubbish or discarded construction materials shall be allowed to accumulate. Storage of excess construction materials, including soil, ledge, equipment, or machinery on easements will not be allowed.

D. Restoration of fences, shrubs, trees and grass shall be completed promptly following completion of the work in an easement, to minimize disruption and inconvenience to property owners.

E. Unless approved by USAID, the use of easements for ease of access to, and egress from, other areas of the project will not be permitted.

GENERAL REQUIREMENTS

010000 - 7/14

1.27 MAINTENANCE OF TRAFFIC

A. Unless permission to close the street is received in writing from the proper authority, all excavated material shall be placed so that vehicular and pedestrian traffic may be maintained at all times.

B. When required, uniformed officers will be assigned to direct traffic. The Contractor shall make all arrangements, with consultation of USAID, in obtaining uniformed officers required.

C. The Contractor shall at his own expense, as directed by USAID, provide and erect acceptable barricades, barrier fences, traffic signs, and all other traffic devices not specifically covered in a bid item, to protect the work from traffic, pedestrians, and animals. He shall provide sufficient temporary lighting such as lanterns/flashers (electric battery operated) or other approved illuminated traffic signs and devices to afford adequate protection to the traveling public, at no additional cost to USAID.

D. The intent of policing is to insure public safety by direction of traffic. Police officers are not to serve as watchmen to protect the Contractor’s equipment and materials.

E. Nothing contained herein shall be construed as relieving the Contractor of any of his responsibilities for protection of persons and property under the terms of the Contract.

1.28 CARE AND PROTECTION OF PROPERTY

A. The Contractor shall be responsible for the preservation of all public property and shall use every precaution necessary to prevent damage there to and to any abutting private property. If any direct or indirect damage is done to public or private property by or on account of any act, omission, neglect, or misconduct in the execution of the work on the part of the Contractor such property shall be promptly restored by the Contractor, at his expense, to a condition similar or equal to that existing before the damage was done, to the satisfaction of USAID.

1.29 MAINTENANCE OF FLOW

A. The Contractor shall at his own cost, provide for the maintenance of flow in water mains and drains interrupted during the progress of the work. The entire procedure of maintaining existing flow shall be fully discussed with USAID well in advance of the interruption of any flow.

B. All existing drainage facilities including, but not limited to, brooks, streams, canals, channels, ditches, culverts, catch basins and drainage piping shall be adequately safeguarded so as to ensure that the work does not impede drainage or cause siltation of downstream areas in any manner whatsoever. If the Contractor damages or impairs any of the aforesaid drainage facilities, he shall repair the same within the same day.

C. At the conclusion of the work, the Contractor shall remove all silt in drainage structures caused by his operations as described in Section 017700 – Closeout Procedures.

D. The Contractor shall not in any way interfere with or impede the treatment of water at the Water Treatment Plant during the entire construction period of the project. The Contractor shall bear all costs and take all necessary temporary measures to prevent the interference of flow and

GENERAL REQUIREMENTS

010000 - 8/14 treatment at the facility. All temporary measures to prevent interference must be submitted to USAID and the Plant Operator for review and approval prior to their being implemented.

E. A general staging sequence / project schedule shall be developed and submitted by the Contractor to USAID to minimize impacts.

1.30 SANITARY PROVISIONS

A. The Contractor shall provide and maintain regularly in a neat and sanitary condition such accommodations for the use of his employees as may be necessary to comply with the requirements of the Ministry of Health, local health officials or of other authorities having jurisdiction. Such conveniences shall be made available when the first employees arrive on the work, shall be properly secluded from public observation, and shall be constructed and maintained in suitable numbers and at such points and in such manner as may be required.

1.31 SITE INVESTIGATION

A. The Contractor acknowledges that he has satisfied himself as to the conditions existing at the site of the work, the quality and quantity of the materials furnished insofar as this information is reasonably ascertainable from an inspection of the site, as well as from information presented by the Drawings and Specifications made a part of this Contract. Any failure of the Contractor to acquaint himself with available information will not relieve him from the responsibility for estimating properly the difficulty or cost of successfully performing the work. USAID assumes no responsibility for any conclusion or interpretation made by the Contractor on the basis of the information made available by USAID, its representatives and the Government of Liberia.

1.32 CONTRACTOR’S VERIFICATION OF QUANTITY AND DETAIL

A. It is the Contractor’s responsibility to field check dimensions to insure the proper installation of site utilities, equipment and fabricated items. The Contractor will field check and confirm dimensions, sizes, clearances and tolerances prior to fabrication for all fabricated items. The Contractor is responsible for all corrections in field dimensions caused by mechanical equipment.

B. The Contractor must assess the existing solar battery buildings in order to coordinate the new air conditioning and equipment.

1.33 LOCATION OF EXISTING UNDERGROUND UTILITIES

A. The location of existing underground services and utilities shown on the drawings is based on available records. It is not warranted that all existing utilities and services are shown, or that shown locations are correct. The Contractor shall be responsible for having the utility companies locate their respective utilities on the ground prior to excavating.

B. The Contractor shall coordinate all work involving utilities and shall satisfy himself as to the existing conditions of the areas in which he is to perform his work. He shall conduct and arrange his work so as to support and protect all utilities and structures from damage of any

GENERAL REQUIREMENTS

010000 - 9/14 kind and damage resulting from the Contractor’s operations shall be repaired by him at his own expense.

1.34 MAINTENANCE OF TRENCH SURFACES

A. After backfilling and compacting the trench, the Contractor shall patch the trench with temporary paving to the lines, grades and depths as hereinafter specified, and shall be responsible for keeping the ground surface evenly graded and passable at all times until the surface has been restored to original conditions with permanent patch.

B. START-UP OPERATION

C. The Contractor shall, upon orders of the Owner, start-up, adjust and place in satisfactory operation all equipment constructed under this Contract and shall be responsible to pay the cost of all utilities until the Owner certifies the date of substantial completion.

D. Start-up will be ordered by the Owner when the proper installation of all equipment and systems has been certified by the manufacturer’s representatives and all operation and maintenance manuals have been accepted. The Owner may order the start-up prior to the completion of non-essential items of work.

E. The Contractor shall be responsible for maintaining all equipment until the dates of final completion. As the Owner may be operating adjacent components of the equipment during the start-up, the Contractor shall plan his schedule of maintenance around the Owner’s activities.

F. As soon as practical after the initial start-up, the Contractor shall arrange for the manufacturers’ representatives to perform all field tests and complete all additional training.

G. There will be a date of substantial completion certified by the Owner. The date will not be certified until the following requirements have been satisfied by the Contractor:

1. All Contract requirements are coordinated into a fully operational system.

2. All field tests have been completed and acceptable reports forwarded to USAID.

3. All equipment is fully operative and performing as indicated in these Specifications.

4. All spare parts and lubricants have been delivered to the Owner.

1.35 CUTTING, FITTING AND PATCHING

A. The Contractor shall do all cutting, fitting, or patching of his work that may be required to make its several parts come together properly and fit it to receive or be received by work of other contractors, as shown upon or reasonably implied by the Drawings and the Specifications for the completed structure, including all existing work.

B. The Contractor shall not endanger any work by cutting, digging, or otherwise and shall not cut or alter the work of any other contractor, save with the consent of USAID.

C. All holes or openings required to be made in new or existing work, particularly at pipe, conduit, or other penetrations not covered by escutcheons or plates shall be neatly patched. All such holes shall be made completely watertight as approved USAID.

GENERAL REQUIREMENTS

010000 - 10/14

D. Size and locations of holes required in steel, concrete, or other structural or finish materials for piping, wiring, ducts, etc., which have not been located and detailed on the drawings shall be approved by USAID prior to layout and cutting thereof. All holes shall be suitably reinforced as required by USAID.

E. Workmanship and materials of patching and repair work shall match the adjacent similar work and shall conform to the applicable sections of the Specification. Patches and joints with existing work shall provide, as applicable in each case, visual, structural and waterproofing continuity.

1.36 CONTRACTOR’S REPRESENTATIVE

A. The Contractor shall designate a representative who will be available to respond to emergency calls by the Owner at any time day and night and on weekends and holidays should such a situation arise.

1.37 VISUAL RECORDING

A. Before beginning construction, the Contractor shall take and distribute to USAID digital photographs of the entire work area. Two complete CD files of photographs shall be furnished to the USAID prior to the start of the work. The visual recording shall be identified, as applicable, and will serve as a visual documentation of the existing site conditions of facility and areas of work

1.38 INSPECTION OF WORK

A. The Contractor shall provide a means for the access and inspection of facilities by authorized representatives of the Government of Liberia and USAID, anytime during the preparation or progress of work under this Contract.

1.39 CONTRACTOR’S GUARANTEES

A. The Contractor guarantees that the Work and Services to be performed under the Contract, and all workmanship, materials and equipment performed, furnished, used or installed in the construction of the same shall be free from defects and flaws, and shall be performed and furnished in strict accordance with the Drawings, Specifications, and other contract documents, that the strength of all parts of all manufactured equipment shall be adequate and as specified and that the performance test requirements of the Contract shall be fulfilled. This guarantee shall be for a period of one year from and after the date of completion and acceptance of the Work as stated in the Contract. If part of the Work is accepted in accordance with that subsection of this Agreement titled “Partial Acceptance”, the guarantee for that part of the Work shall be for a period of one year from the date fixed for such acceptance.

B. If at any time within the said period of guarantee any part of the Work requires repairing, correction or replacement, the Owner may notify the Contractor in writing to make the required repairs, correction or replacement to the satisfaction of the Owner within ten (10) days from the

GENERAL REQUIREMENTS

010000 - 11/14 date of receipt of such notice, or having failed to prosecute such Work with diligence, the Owner may employ other persons to make said repairs, correction or replacements, including compensation for additional professional services, shall be paid by the Contractor

1.40 PROTECTION AGAINST ELECTROLYSIS

A. Where dissimilar metals are used in conjunction with each other, suitable insulation shall be provided between adjoining surfaces so as to eliminate direct contact and any resultant electrolysis. The insulation shall be bituminous impregnated felt, heavy bituminous coatings, nonmetallic separators or washers, or other acceptable materials.

1.41 RELOCATION OF EXISTING UTILITIES

A. Relocation means the temporary removal and replacement in approximately the same location or permanent relocation to a new location.

B. It is the intent of these Specifications that relocations of existing water mains, storm drains and sewers be performed by the Contractor. All other utility relocations shall be completed by the respective utility companies except as specified otherwise herein. The Contractor shall coordinate his work with that of the utility companies and shall be responsible for the completion of work and shall not have claim for delay due to utility relocation. The Contractor shall include in his bid price, all costs for utility relocation work to be performed by the Contractor and all costs for work and materials to be provided by the Contractor for private utility relocations.

C. Service shall not be interrupted in any utility without consent of the respective utility company.

The Contractor will be responsible for providing temporary water service in the event that any water mains must be shut down.

D. Any new pipe or fittings required for relocation of water mains shall meet the requirements of the Owner.

E. All trenches created by relocating existing utilities shall be restored in accordance with the requirements.

1.42 RELOCATION OF UNKNOWN EXISTING UTILITIES

A. The Contractor shall not be responsible for costs associated with utility relocations not shown on the Drawings. However, the Contractor shall be required to cooperate with utility companies involved in this situation and assisting the utility company with the relocation.

1.43 PROJECT MEETINGS

A. During the course of the construction project, progress meetings shall be held at the field office of the USAID representative. These meetings shall be held on a regular basis and scheduled by

USAID.

GENERAL REQUIREMENTS

010000 - 12/14

1.44 SUBSURFACE INVESTIGATIONS

A. The Contractor is expected to have examined the site and the compiled record of investigations and information and then based upon his own inspections, interpretations and such other investigations as he may desire, have decided for himself the character of material to be encountered and excavated, the suitability of the materials to be used for backfilling and such other purposes, groundwater conditions, difficulties or obstacles likely to be encountered, and other conditions affecting the work. No warranty, either expressed or implied by the Owner, USAID, it’s representatives, engineer or their agents is made as to the accuracy of the subsurface information and data shown on the drawings or presented in the Contract Documents.

1.45 ALLOWANCES

A. Allowances for dewatering and compaction testing have been included in the bid items for the project. Dewatering is provided for groundwater encountered in the project excavations. This allowance shall be used to pay for testing trench compaction. Compaction testing shall be performed at USAID’s direction by a certified soils testing laboratory selected by USAID.

Payment for compaction testing will be made directly out of the Allowance for Compaction testing bid item. The Contractor shall not be entitled to any remaining portion of this allowance (if any) at the completion of the project.

B. Allowances for implementing the environmental mitigation and monitoring program (EMMP) will be paid upon acceptable implementation of the EMMP throughout the project. The allowance will be paid as a percentage over the period of performance of the project. For example, the total EMMP bid item divided by the number of months in the period of performance will determine the month amount to be paid for acceptable installation and implementation of the EMMP. The Contractor must demonstrate EMMP is installed and functioning as intended.

1.46 DAMAGE CLAIMS

A. All damage claims resulting from the construction operations of the Contractor must be settled by the Contractor in a timely manner. In the event that claims require more than thirty (30) days to reach a settlement, the TOCO shall withhold the amount of each unsettled claim as additional retainage on the Contractor’s payment requisitions until such time as a settlement is reached.

1.47 PAYMENT REQUISITIONS

A. Payment Requisitions are approved by the CO on a monthly basis. Pencil requisitions must be submitted to USAID for joint review in advance of approval.

GENERAL REQUIREMENTS

010000 - 13/14

1.48 CONTRACTORS QUALIFICATIONS

A. The General Contractor must demonstrate the firms qualifications if requested and if applicable demonstrate the firm’s certification by the Government of Liberia’s Ministry of Public Works for watermain construction.

1.49 SUPERVISION OF WORK

A. The Contractor shall be held directly responsible for the correct installation of all work performed under this Contract. He must make good repair, without expense to the Town, of any part of the work which may become inoperative on account of leaving the work unprotected or unsupervised during the construction of the system or which may break or give out in any manner by reason of poor workmanship, defective materials or any lack of space to allow for expansion, construction of the work during a period of one year from date of final acceptance of the work by the Town.

B. The Contractor shall refer to Section F of the contract for personnel requirements.

1.50 FIELD OFFICES

A. The General Contractor may provide a suitable field office in Town for its own use. The location shall be at the approval of the TOCO.

B. Provide a separate conference room space with conference table and chairs to accommodate twelve (12) persons at one time.

1.51 SCHEDULE OF VALUES

A. As part of the bid submittal process, the Contractor shall submit to USAID a Schedule of Values of the various portions of the work in sufficient detail to reflect various major components of each trade, including quantities when requested, aggregating the total Contract lump sums and divided so as to facilitate payments for work. The schedule of values shows the details used to develop the Bill of Quantities (BOQ). The schedule shall be prepared in such form as specified or as USAID may approve, and it shall include data to substantiate its accuracy. The schedule of values shall be approved by USAID prior to the first payment request; therefore, the Contractor shall work with USAID to develop a balanced schedule. Each item in the Schedule of Values shall include its proper share of overhead and profit. This schedule, including breakdown and values, requires the approval of USAID and shall be used only as a basis for the Contractor's request for payment.

1.52 HEALTH AND SAFETY PLAN

A. The Contractor shall refer to Section C of the contract for details on the Health and Safety Plan.

1.53 ENVIRONMENTAL

A. Contractor shall refer to the Contract for Environmental Requirements

GENERAL REQUIREMENTS

010000 - 14/14

1.54 CONTRACTOR SUBMITTALS

A. These specifications indicate the type and forms required to be submitted during the project by the Contractor. The Contractor may submit the required forms in another format, only if approved by USAID in advance.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 010000

SUMMARY OF WORK

011000 - 1/4

SECTION 011000 – SUMMARY OF WORK

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Project information.

2. Work covered by Contract Documents.

3. Work by USAID

4. Work under separate contracts.

5. Access to site.

6. Coordination with occupants.

7. Work restrictions.

8. Specification and drawing conventions.

B. Related Requirements:

1. Section 015000 "Temporary Facilities and Controls" for limitations and procedures governing temporary use of Owner's facilities.

1.3 PROJECT INFORMATION

A. Project Identification: LIBERIA MUNICIPAL WATER PROJECT II / Watermain Expansion Project

1. Project Location:

a. City of Sanniquellie, Nimba County, Liberia

b. City Voinjama, Lofa County, Liberia

B. Owner: Government of Liberia, or their representatives

C. Owner's Representative: Liberia Water and Sewer Corporation (LWSC).

D. Architect or Engineer: USAID contracting office or her/his representative the Liberia Municipal Water Project II, 6th Street & Tubman Avenue, Monrovia, Liberia or other USAID designated party.

SUMMARY OF WORK

011000 - 2/4

1.4 WORK COVERED BY CONTRACT DOCUMENTS

A. The Work of Project is defined by the Contract Documents and consists of the following:

1. The Contractor will have the equipment, skills and experience necessary to provide the skill sets to accomplish the watermain installation works. The water system improvement work includes but is not limited to the complete installation of new of distribution pipeline.

2. The scope of pipeline installation shall include plastic (PVC), HDPE and DI pipe, valves and hydrants, water main fittings, valves, gate valve boxes, all ductile iron fittings, tapping saddles, corporations, curb stops and boxes, HDPE tubing, and appurtenances.

3. Work will include the pressure testing and disinfection of the new pipeline with minimal impact to normal water utility operations. The efforts will include excavation, backfilling, and restoration/daily cleanup of site. The improvement effort will include the sound installation of all pipes,

4. The Contractor shall refer to the technical specification and drawings to ascertain more detail of the scope of work for the project. The Contractor shall refer to these documents to determine the description of the intended physical works required to be furnished, construction and installed as well the nonphysical work required to properly report, communicate and manage the project.

5. The Contractor will provide shop drawings for a generator shelter in each city. The shop drawing must be approved prior to construction of the shelter. Refer to the BOQ line item for details.

6. The Contractor will finalize design and install air conditioning units in each city solar battery building.

The contractor shall refer to Section C of the contract for additional requirements.

B. Type of Contract:

1. Project will be constructed under a single prime contract.

1.5 WORK BY USAID

None

1.6 WORK UNDER SEPARATE CONTRACTS

A. General: Cooperate fully with separate contractors so work on those contracts may be carried out smoothly, without interfering with or delaying work under this Contract or other contracts.

Coordinate the Work of this Contract with work performed under separate contracts.

B. Preceding Work: USAID has awarded in a separate contract(s) for the following construction operations at Project site. Those operations are scheduled to be substantially complete before work under this Contract begins.

SUMMARY OF WORK

011000 - 3/4

1. United Infrastructure Projects (UIP) construction of the Liberia Municipal Water Project II (LMWP II) Capital Improvement Project (CIP). The operational oversight phase of the CIP may be ongoing, concurrent with this Contract and the Contractor must coordinate with the representative on site to minimize disruption to the ongoing operations and minimize impact to the water quality delivered to the community.

2. The LMWP II is providing support to the Liberia Water & Sewer Corporation (LWSC) through capacity building, technical advisory support and design/construction oversight of water infrastructure improvement.

1.7 ACCESS TO SITE

A. General: Contractor shall have full use of Project site for with the limits of pipeline installation, generator shelter installation and battery building air conditioner installation.

B. General: Contractor shall coordinate with the Liberia Water and Sewer Corporation (LWSC) for the storage and laydown of the materials and equipment at the Water Treatment Plant (WTP) site. Contractor is required to coordinate with LWSC and find adequate and secure storage and laydown space.

1.8 COORDINATION WITH OCCUPANTS

A. Full Owner Occupancy: Owner will occupy the WTP site, existing building(s) and operate the existing water utility during entire construction period. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage and operations.

Perform the Work so as not to interfere with Owner's day-to-day operations.

1. Notify Owner not less than 72 hours in advance of activities that will affect Owner's operations.

1.9 WORK RESTRICTIONS

A. Work Restrictions, General: Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction.

B. On-Site Work Hours: Refer to the contract.

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

1. Notify Owner not less than two days in advance of proposed utility interruptions.

2. Obtain Owner's written permission before proceeding with utility interruptions.

D. Noise, Vibration, and Odors: Coordinate operations that may result in high levels of noise and vibration, odors, or other disruption to Owner occupancy with Owner.

1. Notify USAID not less than two days in advance of proposed disruptive operations.

SUMMARY OF WORK

011000 - 4/4

2. Obtain USAID's written permission before proceeding with disruptive operations.

1.10 SPECIFICATION AND DRAWING CONVENTIONS

A. Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations.

These conventions are as follows:

1. Imperative mood and streamlined language are generally used in the Specifications. The words "shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:) is used within a sentence or phrase.

2. Specification requirements are to be performed by Contractor unless specifically stated otherwise.

B. Division 01 General Requirements: Requirements of Sections in Division 01 apply to the Work of all Sections in the Specifications.

C. Drawing Coordination: Requirements for materials and products identified on Drawings are described in detail in the Specifications. One or more of the following are used on Drawings to identify materials and products:

1. Terminology: Materials and products are identified by the typical generic terms used in the individual Specifications Sections.

2. Abbreviations: Materials and products are identified by abbreviations published as part of the U.S. National CAD Standard and scheduled on Drawings.

PART 2 - PRODUCTS (Not Used)

END OF SECTION 011000

ALLOWANCES

012100 - 1/3

SECTION 012100 - ALLOWANCES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes administrative and procedural requirements governing allowances.

1. Certain items are specified in the Contract Documents by allowances. Allowances have been established in lieu of additional requirements and to defer selection of actual materials and equipment to a later date when direction will be provided to Contractor. If necessary, additional requirements will be issued by Change Order.

B. Types of allowances include the following:

1. Contingency allowances.

2. Testing and inspecting allowances.

C. Related Requirements:

1. Section 012200 "Unit Prices" for procedures for using unit prices.

2. Section 014000 "Quality Requirements" for procedures governing the use of allowances for testing and inspecting.

1.3 SELECTION AND PURCHASE

A. At the earliest practical date after award of the Contract, advise USAID of the date when final selection and purchase of each product or system described by an allowance must be completed to avoid delaying the Work.

B. At USAID request, obtain proposals for each allowance for use in making final selections.

Include recommendations that are relevant to performing the Work.

C. Purchase products and systems selected by USAID from the designated supplier.

1.4 ACTION SUBMITTALS

A. Submit proposals for purchase of products or systems included in allowances, in the form specified for Change Orders.

ALLOWANCES

012100 - 2/3

1.5 INFORMATIONAL SUBMITTALS

A. Submit invoices or delivery slips to show actual quantities of materials delivered to the site for use in fulfillment of each allowance.

B. Submit time sheets and other documentation to show labor time and cost for installation of allowance items that include installation as part of the allowance.

C. Coordinate and process submittals for allowance items in same manner as for other portions of the Work.

1.6 COORDINATION

A. Coordinate allowance items with other portions of the Work. Furnish templates as required to coordinate installation.

1.7 CONTINGENCY ALLOWANCES

A. Use the contingency allowance only as directed by USAID's purposes and only by Change Orders that indicate amounts to be charged to the allowance.

B. Contractor's overhead, profit, and related costs for products and equipment ordered by USAID under the contingency allowance are included in the allowance and are not part of the Contract Sum. These costs include delivery, installation, taxes, insurance, equipment rental, and similar costs.

C. Change Orders authorizing use of funds from the contingency allowance will include Contractor's related costs and reasonable overhead and profit margins.

D. At Project closeout, credit unused amounts remaining in the contingency allowance to USAID by Change Order.

1.8 TESTING AND INSPECTING ALLOWANCES

A. Testing and inspecting allowances include the cost of engaging testing agencies, actual tests and inspections, and reporting results.

B. The allowance does not include incidental labor required to assist the testing agency or costs for retesting if previous tests and inspections result in failure. The cost for incidental labor to assist the testing agency shall be included in the Contract Sum.

C. Costs of services not required by the Contract Documents are not included in the allowance.

D. At Project closeout, credit unused amounts remaining in the testing and inspecting allowance to USAID by Change Order.

ALLOWANCES

012100 - 3/3

1.9 ADJUSTMENT OF ALLOWANCES

A. Allowance Adjustment: To adjust allowance amounts, prepare a Change Order proposal based on the difference between purchase amount and the allowance, multiplied by final measurement of work-in-place where applicable. If applicable, include reasonable allowances for cutting losses, tolerances, mixing wastes, normal product imperfections, and similar margins.

1. Include installation costs in purchase amount only where indicated as part of the allowance.

2. If requested, prepare explanation and documentation to substantiate distribution of overhead costs and other margins claimed.

B. Submit claims for increased costs because of a change in scope or nature of the allowance described in the Contract Documents, whether for the purchase order amount or Contractor's handling, labor, installation, overhead, and profit.

1. Do not include Contractor's or subcontractor's indirect expense in the Change Order cost amount unless it is clearly shown that the nature or extent of work has changed from what could have been foreseen from information…