W9128F17Q0086_Chatfield__Dewatering_Stilling_Basin.pdf

W59XQG71303088

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W9128F-17-Q-0086 16-Aug-2017

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11. SCHEDULE (Include applicable Federal, State, and local taxes)

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Section B - Supplies or Services and Prices

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0001 1 Job

CH STILLING BASIN DEWATER FY17

FFP

(1)Removing all surface water from the outlet works stilling basin, two drainage manholes and the South Platte River channel between the stilling basin and the grade control weir (~ 900 feet) so that a thorough evaluation/inspection of these features can be conducted by the U.S. Army Corps of Engineers (USACE).

Estimated volume of surface water to be removed is 1,500,000 gallons.

(2)Maintaining the stilling basin, manholes and channel in a dewatered condition until USACE inspection activities are complete. Estimated volume rate of surface water recharge is 300 to 500 gallons per minute.

(3) Removing and disposing of all material deposited in the stilling basin and manholes (riprap, aggregate, sediment, debris & other foreign material) prior to

USACE inspection activities. The estimated amount of material is 25 to 50 cubic yards.

(4) Cleaning the concrete surfaces of the stilling basin and manholes by pressure-washing prior to USACE inspection activities.

(5) Additional minor work includes (a) removing and disposing of a previously abandoned steel pipe from one wall of the stilling basin and (b) replacing in-kind two manhole covers and adding locking mechanisms.

The Period of Performance of this CLIN will be IAW para 1.2 of the Construction

Specifications section 01 11 00

FOB: Destination

MILSTRIP: W59XQG71303088

PURCHASE REQUEST NUMBER: W59XQG71303088

NET AMT

Section C - Descriptions and Specifications

STATEMENT OF WORK

SECTION TABLE OF CONTENTS

STATEMENT OF WORK

Chatfield Dam Stilling Basin Dewatering and Cleaning

Chatfield Dam, Littleton, Colorado

W9128F-17-Q-0086

1.0 SCOPE OF WORK

1.1 GENERAL

1.2 SCHEDULE

2.0 GENERAL

2.1 STANDARDS AND REGULATIONS

2.1.1 Activity Hazard Analysis (AHA)

2.1.2 Accident Prevention Plan (APP)

2.1.3. Crane Critical Lift Plan

2.2 MEASUREMENT AND PAYMENT

2.3 PROJECT LOCATION AND CONTRACTOR ACCESS

2.4 WORK AREA, STAGING AREA AND ACCESS

2.4.1 Contractor Staging Area

2.4.2 Contractor Work Area

2.4.3 Road Restrictions

2.4.4 Access by Government Personnel

2.5 STORAGE OF EQUIPMENT AND MATERIALS

2.6 PERMITS AND RESPONSIBILITIES

2.7 WORK HOURS AND WORK LIMITS

2.7.1 Federal Holidays

2.7.2 Working Hours

2.8 VEHICLES

2.8.1 Use of Private Vehicles

2.8.2 Identification of Vehicles

2.9 FACILITIES

2.9.1 Utilities

2.9.1.1 Government Furnished Utilities

2.9.1.2 Temporary Utility Connections

2.9.2 Portable Toilets

2.10 SCAFFOLDING

2.11 CONTRACTOR’S AREA LIGHTING

2.12 GOVERNMENT FURNISHED TOOLS AND EQUIPMENT

2.13 DAMAGED EQUIPMENT OR ABNORMAL CONDITIONS

2.14 PROTECTION AND RESTORATION OF EXISTING FACILITIES

2.15 DAILY CLEANUP AND DISPOSAL

2.16 DISPOSAL OF MATERIALS

2.17 CARE OF DRAINS

2.18 NOISE CONTROL

2.19 CONTRACTOR’S AGENT, WORK SUPERVISOR, AND PERSONNEL

2.19.1 Contractor's Agent(s)

2.19.2 Site Supervisor(s)

2.19.3 Contractor's General Personnel

2.20 PROJECT REPORTING

2.21 WEEKLY MEETINGS

2.22 ANTITERRORISM / OPERATION SECURITY REQUIREMENTS

2.22.1 Access and General Protection/Security Policy and Procedures

2.22.1.1 For Contractors who do not require Common Access Card (CAC), but require access to a DoD facility or installation

2.22.2 Pre-screen candidates using E-Verify Program

2.22.3 Escort Requirements

3.0 SUBMITTALS AND SUBMITTAL PROCEDURES

3.1 GENERAL

3.2 SUBMITTAL FORM

3.3 ACTION REQUIRED.

3.4 MEANING OF APPROVALS

3.5 WHEN NOT APPROVED

3.6 WITHHOLDING OF PAYMENT

3.7 SENDING OF SUBMITTALS

3.7.1 Electronic Submittal Format

3.8 ACTIVITY HAZARD ANALYSIS (AHA)

3.9 ACCIDENT PREVENTION PLAN (APP)

3.10 CRANE CRITICAL LIFT PLAN

3.11 PLAN OF OPERATION

3.12 SCHEDULE

4.0 MATERIALS

4.1 MANHOLE COVERS AND LOCKING MECHANISMS

4.2 MANHOLE LADDERS AND LADDER SAFETY DEVICES

5.0 WORK REQUIREMENTS

5.1. GENERAL

5.1.1. Task 1

5.1.2. Task 2 (a)

5.1.3. Task 2 (b)

5.1.4. Task 2 (c)

5.1.5. Task 3 (a)

5.1.6. Task 3 (b)

5.1.7. Task 3 (c)

5.1.8. Task 4 – All Remaining Work

5.2 GENERAL PLANS, TECHNICAL DRAWINGS, AND PHOTOGRAPHS

5.3 WATER FLOW REGULATION

5.4 GENERAL ACTIVITY LIST -- CONTRACTOR, USACE & COLORADO STATE PARKS

5.5 ADDITIONAL SITE INFORMATION AND CONTRACT WORK REQUIREMENTS

5.5.1 Safety

5.5.2 Dewatering/Pumping

5.5.3 Fish – Preventative Measures & Removal/Relocation

5.5.4 Sediment, Debris, Foreign Material and Riprap/Aggregate -- Removal and Disposal/Relocation

5.5.5 Pressure Washing

5.5.6 Incidental Construction Work

5.5.6.1 Abandoned Pipe

5.5.6.2 Manhole Covers and Locking Mechanisms

5.5.6.3 Manhole Ladders and Ladder Safety Device

5.5.7 Damage to USACE Facilities/Property

6.0 INSPECTION AND TESTS

7.0 POINTS OF CONTACT

8.0 REFERENCE DRAWINGS

SECTION 01 11 00

CONSTRUCTION SPECIFICATIONS

Chatfield Dam Stilling Basin Dewatering and Cleaning

Chatfield Dam, Littleton, Colorado

W9128F-17-Q-0086

1.0 SCOPE OF WORK

1.1 GENERAL. The scope of work for this Contract includes the following: (1)(a) removing all surface water from the Outlet Works Stilling Basin at Chatfield Dam (Stilling Basin), from the two Manholes for the Stilling Basin drainage system (Manholes) and from the South Platte River Channel (Channel) between the Stilling Basin and the

Grade Control Weir (Weir); (1)(b) maintaining the Stilling Basin, Manholes and Channel in a dewatered condition so that a thorough structural evaluation and inspection of these features can be conducted by the U.S. Army Corps of

Engineers (USACE) until inspection activities are complete; (2) removing and disposing of all riprap, coarse aggregate, silt, debris, and other foreign material deposited within the Stilling Basin and Manholes prior to USACE inspection activities; (3) cleaning the concrete surfaces of the Stilling Basin and Manholes by pressure-washing prior to USACE inspection activities; and (4) performing the following incidental construction work in the Stilling Basin area: (a) removing and disposing of an abandoned steel pipe from the inside wall of the Stilling Basin; (b) replacing

2 existing steel Manhole covers with 2 new aluminum covers & locking mechanisms; and (c) installing new galvanized steel side rail ladders and ladder climbing safety devices in two Manholes.

1.2 SCHEDULE. The dewatering, removal of material, cleaning, inspection activities, and incidental construction must take place over a 15-day period between November 1, 2017 and November 15, 2017 to minimize the impact on downstream water users and allowing for the coordination of travel plans with USACE inspectors. Flows will be shut off through the main outlet works conduit during this 15-day window. USACE inspection activities will take place between November 13, 2017 and November 15, 2017 (3 days). If adverse weather or Chatfield Lake reservoir conditions do not allow for work during this 15-day time period, alternate work dates are planned for November 15, 2017 to November 29, 2017. Any proposed change to the dates for this 15-day window shall be submitted to, and approved by, the Contracting Officer Representative (COR) prior to the start of the fieldwork.

2.0 GENERAL

2.1 STANDARDS AND REGULATIONS. The Contractor shall perform to the standards in the Contract and comply with all Local, State, and Federal Regulations during the services performed. The Contractor is responsible for ascertaining the extent to which these regulations affect the operations resulting from this Contract. The Contractor shall comply will all applicable regulations. Applicable regulations include, but are not limited to the following:

a. Engineering Manual (EM) 385-1-1 (USACE – Safety and Health Requirements Manual), dated November

2014; EM 385-1-1 can be found on line at:

http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf or at the USACE Tri-Lakes Project Office.

b. Occupational Safety and Health Standards (29 CFR 1910);

2.1.1 Activity Hazard Analysis (AHA). The Contractor shall prepare the AHA in accordance with paragraphs

01.A.13 to 01.A.14 and Figure 1-2 of the EM 385-1-1.

2.1.2 Accident Prevention Plan (APP). The Contractor shall prepare an APP in accordance with Appendix A, “Minimum Basic Outline for Accident Prevention Plan”, of EM 385-1-1.

2.1.3. Crane Critical Lift Plan: If a crane is used to lift material from the Stilling Basin, the Contractor will prepare a critical lift plan. The Crane Critical Lift Plan format shall be in accordance with EM 385-1-1, Paragraph

16.H.

http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf

2.2 MEASUREMENT AND PAYMENT. The will be no measurement of quantities for this Contract. Payment shall be for the total lump sum amount for furnishing all materials, equipment, and labor and performing all operations necessary for the work as indicated on the Pricing Schedule and specified in this section. Due to the short duration of this Contract, no interim or progress payments will be made. Final payment will be made in accordance with the estimated value of work completed as determined by the COR or as specified in this section, and in accordance with contract clause for payments.

2.3 PROJECT LOCATION AND CONTRACTOR ACCESS. The project location for this Contract is the

Stilling Basin and the South Platte River Channel downstream of Chatfield Dam and Lake in Littleton, Colorado.

The project location and Contractor access is shown on Attachment 1.

2.4 WORK AREA, STAGING AREA AND ACCESS. The Contractor’s work area, staging area and site access is shown on Attachment 2.

2.4.1 Contractor Staging Area. The Contractor's staging area shall be restricted to the area designated by the

Government. The contractor's job-site office may be in the staging area, as approved. The project areas off-limits to

Contractor shall be all areas other than direct work areas. Signs may be erected outside the manifold structure containing instructions for personnel seeking the Contractor. The content and location of the signs must be approved. All buildings and facilities constructed or brought on site by the Contractor shall be maintained in a satisfactory condition with strict observance of the rules of sanitation, safety and order as may be established by the

Contracting Officer. Prior to final payment under the contract, all buildings and facilities constructed by the

Contractor for his own use shall be removed from the site by the Contractor.

2.4.2 Contractor Work Area. The Contractor shall take steps reasonably necessary to ascertain the nature and location of the work, and investigate the general and local conditions that can affect the work or its cost. Any failure of the Contractor to take the actions described and acknowledged in this paragraph will not relieve the Contractor from responsibility for estimating properly the difficulty and cost of successfully performing the work, or for proceeding to successfully perform the work without additional expenses to the Government. The Government assumes no responsibility for any conclusions or interpretations made by the Contractor based on the information made available by the Government.

Nor does the Government assume responsibility for any understanding reached or representation made concerning conditions that can affect the work by any of its officers or agents before the execution of this contract, unless the understanding or representation is expressly stated in this contract. Site conditions that should be investigated include, but are not limited to:

(1) Conditions bearing upon transportation, disposal, handling, and storage of materials.

(2) The availability of labor, water, electrical power, and roads

(3) Uncertainties of weather, river stages, tides, or similar physical conditions at the site

(4) The conformation and conditions of the ground and equipment and facilities to be replaced and/or rehabilitated

(5) The character of equipment and facilities needed preliminary to and during work performance

(6) Amount of workspace, accessibility, lighting, etc.

2.4.3 Road Restrictions. No new access roads are required for this work. Any damage to existing roadways that are used for access purposes shall be repaired and the surface shall be restored to its "as found" condition. The

Contractor shall comply with any special requirements of the State, County, Local authorities and Corps of

Engineers for use of existing roadways. These special requirements include, but are not limited to, traffic regulations and load limits. The Contractor is responsible for investigating and understanding these restrictions. No time extensions or cost claims will be allowed due to road restrictions.

2.4.4 Access by Government Personnel. Clear access shall be maintained for Government personnel and equipment through all work areas.

2.5 STORAGE OF EQUIPMENT AND MATERIALS. Indoor and outdoor storage of equipment and materials will be permitted only at designated storage areas in the vicinity of the stilling basin which will be coordinated with the COR during the pre-work conference. A minimum access space of three feet shall be maintained between stored items and the existing stilling basin structure. Due to potential high winds at the site, everything in the outside storage area(s) shall be securely tied down so it will not be blown into the stilling basin area.

2.6 PERMITS AND RESPONSIBILITIES. The Contractor shall, without additional expense to the Government, be responsible for obtaining any necessary licenses and permits, and for complying with any Federal, State, County, and municipal laws, codes, and regulations applicable to the performance of the work. The Contractor shall also be responsible for all damages to persons or property that occur as a result of the Contractor's fault or negligence, and shall take proper safety and health precautions to protect the work, workers, public, and property of others. The

Contractor shall also be responsible for all materials delivered and work performed until completion and acceptance of the entire work, except for any completed unit of work, which may have been accepted under the Contract.

2.7 WORK HOURS AND WORK LIMITS.

2.7.1 Federal Holidays. The following Federal legal holidays are observed by this installation:

New Year's Day 1 January

Martin Luther King's Birthday Third Monday in January

President's Day Third Monday in February

Memorial Day Last Monday in May

Independence Day 4 July

Labor Day First Monday in September

Columbus Day Second Monday in October

Veterans Day (observed) 10 November

Thanksgiving Day Fourth Thursday in November

Christmas Day 25 December

2.7.2 Working Hours. The Contractor is responsible for conducting business and will have access to the

Stilling Basin Channel and Weir areas for work during normal business hours from 0630 to 1630 hrs Monday through Friday; excluding any federally recognized holiday that it is observed on and when the Government facility is closed due to local or national emergencies, administrative closings, or similar Government directed facility closings. Access on weekends and holidays will be allowed for pumping operations for maintaining the Stilling

Basin, Channel and Manholes in a dewatered condition, unless otherwise approved by the COR. All weekend and

Holiday work and access shall be coordinated with, and approved by, the COR prior to the start of work on these days. The Contractor shall plan all work accordingly to this work schedule. These hours will be strictly adhered to unless government determines work outside this time is beneficial to the government.

2.8 VEHICLES.

2.8.1 Use of Private Vehicles. Private vehicles of the Contractor and Contractor's employees shall use the employee parking lot. The Contractor shall follow all Contracting officer requirements regarding vehicle access to the project. Parking of private vehicles shall be restricted to the areas designated by the Contracting Officer.

Additional parking will be designated upon request, but may be located up to ½ mile from the Stilling Basin structure. The Contractor shall maintain the designated parking areas.

2.8.2 Identification of Vehicles. All Contractor's vehicles shall display approved permanent identification of such size and color to allow Government personnel to identify the vehicle.

2.9 FACILITIES.

2.9.1 Utilities.

2.9.1.1 Government Furnished Utilities. All utilities that are required for use in performance of the work under this contract shall be Contractor-furnished.

2.9.1.2 Temporary Utility Connections. All utilities provided by the Government shall be at no cost.

Care shall be exercised in conserving all utilities. The contractor shall at his own expense and in a workman like manner satisfactory to the COR provide all necessary hoses, cords, couplings, plugs, GFI's and other appurtenances as required to connect to the system(s). All temporary connections shall be subject to approval. The location of all power lines and all temporary connections for electricity shall be coordinated with the COR. All temporary circuits and devices shall be provided, connected, and maintained and removed prior to final acceptance. Ground fault protection shall be provided for all circuits used, inside and outside, and shall be Contractor-furnished. The temporary panel shall conform to current NEC standards in EM 385-1-1.

2.9.2 Portable Toilets. Toilet facilities will not be available for Contractor's use. The Contractor shall provide and maintain portable toilets for use by the Contractor's staff. Toilet(s) shall be placed at the location directed by the

Contracting Officer. To prevent overturning by high winds, all portable toilets shall be anchored down.

2.10 SCAFFOLDING. Any scaffolding, platform, ladder, stairway, or other access schemes proposed to be used shall be submitted for approval, including type, layout, and connections. Approved anti-slip surface material shall be installed on scaffolding platforms. Scaffolding shall comply in every respect with EM 385- 1-1.

2.11 CONTRACTOR’S AREA LIGHTING. The Contractor shall provide all lighting necessary to perform his work and to provide a safe work environment.

2.12 GOVERNMENT FURNISHED TOOLS AND EQUIPMENT. Government tools and equipment at the project, i.e., lathes, drill presses, hand tools, etc., are not available for use.

2.13 DAMAGED EQUIPMENT OR ABNORMAL CONDITIONS. The Government shall be informed immediately upon finding any damaged equipment or other abnormal conditions involving additional work. The failure or abnormality shall not be disturbed until witnessed by the COR. Prior to proceeding further with work, the

Contractor and the Government shall agree in writing as to the responsibility for the damage or abnormality.

2.14 PROTECTION AND RESTORATION OF EXISTING FACILITIES. The Contractor shall be responsible for the protection of the work area from damage. All existing grounds, property and facilities shall be protected whether or not shown on the drawings. Upon completion of the work, all the existing grounds, property and facilities, not included as a portion of the work, shall be left in a condition equal to the original condition prior to the contract.

Costs for repair and restoration of any facilities shall be considered to be incidental to and included in the contract price. All work, storage of materials, and construction plant shall be kept within the limits of the areas assigned.

Prior to construction operations, the Contractor shall confer with the Contracting Officer's representative to determine the proximity of any possible obstructions, pipe or equipment which could be damaged as a result of construction operations. Existing utility lines shall be protected from damage, and if damaged, shall be repaired by the Contractor at no additional expense to the Government. In the event that the Contractor damages any existing utility lines, report thereof shall be made immediately to the Contracting Officer. The Contractor will be responsible for the protection of structures from any structural damage during the construction operations. At all times the plant and work areas, shall be kept in a condition conducive to safety of workmen and the public and neat in appearance.

Waste or surplus materials shall not be allowed to accumulate in the construction areas.

2.15 DAILY CLEANUP AND DISPOSAL. All debris resulting from the work, such as waste metalwork, packing cases, scrap lumber, oil and grease, and other debris shall be collected, removed, and disposed of off-site at least once per shift. Disposal shall be in accordance with Federal, State and Local regulations. The location of the

Contractor's off-site disposal area and a plan for safe disposal of material shall be approved. The Government's trash cans, dumpsters, etc. shall not be used. Liquid waste shall not be disposed of in Stilling Basin structure drains. All costs of removing debris shall be incidental to the work, and no separate payment will be made therefore. All temporary structures used by the Contractor in the course of the work shall leave the area looking "broom clean".

2.16 DISPOSAL OF MATERIALS. Title to all materials and equipment to be disposed of, except salvage items and hazardous waste, is vested in the Contractor upon receipt of signed contract and such materials and equipment are designated scrap only as directed. The Government will not be responsible for the condition, loss or damage to such property after notice to proceed. The Contractor may retain these items in usable form and take possession of them providing that there is no subsequent cost or inconvenience to the Government. The Government does not guarantee that these items are complete or in working order and the Contractor shall assume responsibility for any damages caused by their use immediately upon taking possession of them. Scrap materials shall be removed from the Government's property within 14 days. Scrap shall not be sold on the site.

2.17 CARE OF DRAINS. Existing manifold and stilling basin structure drains shall not be used for disposal of any solid material or any liquids other than clear water. Drains obstructed by the Contractor shall be cleaned by the

Contractor. All costs incurred in the cleaning and clearing of plugged drains, shall be borne by the Contractor.

2.18 NOISE CONTROL. Noise control and noise levels shall conform to requirements set forth in the appropriate regulations, including EM 385-1-1, Section 05.C, 29 CFR 1910.95, 29 CFR 1926.52 and 29 CFR 1926.101. The most stringent requirement shall govern.

2.19 CONTRACTOR’S AGENT, WORK SUPERVISOR, AND PERSONNEL.

2.19.1 Contractor's Agent(s). The Contractor shall give personal attention to the faithful execution and completion of this work and shall be present either in person or by duly authorized representative(s) on the site of the work continually during its progress. The agent shall be fluent in the spoken and written English language.

The agent's qualifications and identification shall be provided. The agent shall be fully authorized to act for the

Contractor and to receive such orders as may be given for the proper continuance of the work. Written notice to do any work, to alter any work, or to cease work which the Contractor is obligated to do, or concerning any imperfections in work or any material furnished, when given to the agent shall be considered as notice to the

Contractor. A daily log shall be made of the accomplished work, and shall be submitted at the completion of the contract. The agent shall have been engaged in similar work at a minimum of two different projects.

A verifying contact, with name and phone number, shall be provided for at least two such facilities.

2.19.2 Site Supervisor(s). At least one full-time employee of the Contractor shall be available at the work site anytime other Contractor personnel are working on the site to supervise and direct the work specified herein. The

Contractor's Agent and Site Supervisor can be the same person, provided that all qualifications are met. The supervisor(s) shall be fluent in the spoken and written English language. The supervisor shall be technically qualified to supervise the site work and commissioning and all other aspects related to completing this work. The supervisor shall report immediately in writing to the Government any work not in accordance with the manufacturer's recommendations, or any special conditions, which may result in an unsatisfactory job. A daily log shall be made of the accomplished work, and shall be submitted at the completion of the contract.

2.19.3 Contractor's General Personnel. The Contractor shall prepare and keep updated, as a minimum weekly, a project organization chart reflecting at least those positions described herein and defining their work relationships, etc. All personnel employed by the Contractor shall be fully qualified in their respective fields to render the services necessary.

2.20 PROJECT REPORTING. Weekly reports shall be submitted by the Contractor giving project status and activities information. An updated CPM shall be included in this report, if appropriate. This report shall include a written summary, accompanied with detailed information relating to current status of procurement, construction, and delivery activities compared to both the current project schedules and the schedule submitted at the time of the

Request for Technical Proposal.

2.21 WEEKLY MEETINGS. Once each week, while on site, a general meeting will be held between the

Contractor and the Government. This meeting will be used to discuss progress in the last week and work planned in the upcoming week. An agreed upon meeting place and time shall be mutually.

In order to closely coordinate work under this contract, the Contractor shall prepare a written agenda/meeting minutes at the weekly coordination meeting with the Contracting Officer at which time the Contractor shall submit for coordination and approval, his proposed daily work schedule for the next two-week period. The Contractor shall provide a copy of modifications (MODs), Serial Letters, Requests for Information (RFIs) and any other information that is needed in the minutes of the meeting. Required temporary utility services, time and duration of interruptions, and protection of adjoining areas shall be included with the Contractor's proposed 2-week work schedule.

At this meeting, the Contractor shall also submit his schedule of proposed dates and times of all preparatory inspections to be performed during the next 2 weeks. Coordination action by the Contracting Officer relative to these schedules will be accomplished during these weekly meetings. Daily reports shall be completed and given to the Contracting Officer or Representative within 24 hours of work.

2.22 ANTITERRORISM / OPERATION SECURITY REQUIREMENTS.

2.22.1 Access and General Protection/Security Policy and Procedures. All Contractor and all associated sub-Contractors employees shall comply with applicable installation, facility and area commander installation/facility access and local security policies and procedures. The Contractor shall also provide all information required for background checks to meet installation/facility access requirements to be accomplished by installation Provost Marshal Office, Director of Emergency Services, or Security Office. Contractor workforce must comply with all personal identity verification requirements (FAR clause 52.204-9, Personal Identity Verification of

Contractor Personnel) as directed by DOD, HQDA and/or local policy. In addition to the changes otherwise authorized by the changes clause of this Contract, should the Force Protection Condition (FPCON) at any installation or facility change, the COR may require changes in Contractor security matters or processes.

2.22.1.1 For Contractors who do not require Common Access Card (CAC), but require access to a

DoD facility or installation. Contractor and all associated sub-Contractor employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index

(NCIC-III) and Terrorist Screening Database (TSDB) (Army Directive 2014-05 / AR 190-13), applicable installation, facility and area commander installation/facility access and local security policies and procedures

(provided by government representative, as NCIC and TSDB are available), or, at OCONUS locations, in accordance with status of forces agreements and other theater regulations.

2.22.2 Pre-screen candidates using E-Verify Program. The Contractor must pre‐screen candidates using the

E‐verify Program (http://www.dhs.gov/E‐Verify) website to meet the established employment eligibility requirements. The vendor must ensure that the candidate has two valid forms of government issued identification to ensure the correct information is entered into the E-verify system. An initial list of verified/eligible candidates must be provided to the COR no later than three (3) business days after the initial Contract award.

2.22.3 Escort Requirements. All contract employees, including subcontractor employees who are not in possession of the appropriate security clearance or access privileges, will be escorted in areas where they may be exposed to classified and/or sensitive materials and/or sensitive or restricted areas.

3.0 SUBMITTALS AND SUBMITTAL PROCEDURES.

3.1 GENERAL. During the performance of this Contract, the Contractor will be required to submit to the COR for review and approval, or for information only, certain descriptive literature, data, fabrication drawings, shop drawings, diagrams, test reports, samples, certificates, etc., as identified below. Prior to the commencement of work, the Contractor shall submit the following documents to the COR for review and approval.

a. Activity Hazard Analysis (AHA); G-TL

b. Accident Prevention Plan (APP); G-TL

c. Crane Critical Lift Plan; G-TL

d. Plan of Operation; G-TL

e. Schedule; G-TL

f. Product Information for Required Materials; G-TL

Submittals designated as ‘G-TL’ are to be submitted to the Tri-Lakes Project Office of USACE at the following address:

http://www.ecfr.gov/cgi-bin/text-idx?rgn=div8&node=48:2.0.1.1.1.2.1.28 http://www.ecfr.gov/cgi-bin/text-idx?rgn=div8&node=48:2.0.1.1.1.2.1.28

Scott Franklin

US Army Corps of Engineers

9307 South Wadsworth Blvd

Littleton, CO 80128-6901

3.2 SUBMITTAL FORM. The submittal form (ENG Form 4025) will be used for transmitting the submittals.

This form may be reproduced by the Contractor and shall be properly executed by filling out all the heading blank spaces and identifying each item submitted. Special care shall be executed to ensure proper listing of the specification paragraph and/or sheet number of the contract drawings pertinent to the date submitted for each item.

3.3 ACTION REQUIRED. If the submittal is for information only or for review, work will continue unless the

Contracting Officer notifies the Contractor that the submittal fails to indicate that the material, method, test, etc., conforms to the specification. If the submittal require approval, such submittal must be submitted to and approved by the Contracting Officer prior to performance by the Contractor.

3.4 MEANING OF APPROVALS. The submittal returned to the Contractor shall be marked as noted on back of

ENG Form 4025. The approval of the submittal by the Contracting Officer shall not be construed as a complete check, but will indicate only that the general method of prosecution and detailing is satisfactory. Approval will not release the Contractor of the responsibility for any error, which may exist, as the Contractor is responsible for satisfactory prosecution and detailing of all the work.

3.5 WHEN NOT APPROVED. The Contractor shall make all corrections required by the Contracting Officer and promptly furnish a corrected submittal in the form and the number of copies as specified in the initial submittal.

3.6 WITHHOLDING OF PAYMENT. Payment for materials incorporated in the work will not be made if required approvals have not been obtained.

3.7 SENDING OF SUBMITTALS. The Contracting Officer may request submittals in addition to those listed when deemed necessary to adequately describe the work covered in the respective sections or drawings. Prior to submittal, all items shall be checked and approved by the Contractor and each respective transmittal form (ENG

Form 4025) shall be stamped, initialed, and dated by the Contractor certifying that the accompanying submittal complies with the contract requirements.

3.7.1 Electronic Submittal Format. Electronic format will be utilized for submission of construction submittal items required by the specifications, including ENG Form 4025 Transmittal Form. Electronic submittals may be submitted by any means readily accessible to the Government including, but not limited to, the following:

a. E-mails with text and all attachments less than or equal to 14MB in size. The Government IT system does not currently support e-mail transmissions of greater than 14MB. Should this e-mail transmission and size limitation change during the course of the Contract, larger e-mail transmissions may become acceptable, but no time extensions will be granted for transmission errors resulting from oversized email attachments.

b. Internet Secure File Transfer Protocol (FTP) systems compatible with Government IT systems.

c. Mailed CD-ROM or DVD-ROM media.

d. Contractor-funded file sharing website compatible with Government IT systems.

e. Any other secure, Government-approved means of transmitting digital media.

Means of transfer must provide documents freely accessible to the Government. If the means of transfer is by e-mail, FTP repository, or similar, files shall be capable of being downloaded without errors or disruption. Regardless of the method of transfer, the files shall be able to be archived on Government IT systems without error or restriction.

3.8 ACTIVITY HAZARD ANALYSIS (AHA). The Activity Hazard Analysis (AHA) format shall be in accordance with USACE EM 385-1-1 (paragraphs 01.A.13 to 01.A.14.b). The AHA shall be submitted for review at least 14 calendar days prior to the start of work. The analysis shall be used during daily inspections to ensure the implementation and effectiveness of the activity’s safety and health controls.

The AHA shall be developed using the project schedule as the basis for the activities performed. Any work activities listed on the project schedule will require an AHA. The AHAs will be developed by the Contractor, supplier, or subcontractor and provided to the prime Contractor for submittal to the COR.

An electronic version of the AHA form and example AHAs are available from the Tri-Lakes Project Office.

3.9 ACCIDENT PREVENTION PLAN (APP): The Contractor shall use a qualified person to prepare the written site-specific APP. The APP shall be prepared in accordance with the format and requirements of USACE EM 385-1-

1, dated 30 Nov 2014, and supplemented herein.

The Contractor will submit an APP as described in EM 385-1-1, Appendix A, “Minimum Basic Outline for

Accident Prevention Plan”. The APP shall be job-specific and shall address any and all unusual or unique aspects of the project or activity for which it is written. The APP shall interface with the Contractor’s overall safety and health program. Any portions of the Contractor’s overall safety and health program referenced in the APP shall be included in the applicable APP element and be site-specific. USACE considers the Prime Contractor to be the “controlling authority” for all work site safety and health of the subcontractors. Contractors are responsible for informing their subcontractors of the safety provisions under the terms of the Contract and the penalties for noncompliance, coordinating the work to prevent one craft from interfering with or creating hazardous working conditions for other crafts, and inspecting subcontractor operations to ensure that accident prevention responsibilities are being carried out. The APP shall be signed by the person and firm (senior person) preparing the APP, the Contractor, the on-site superintendent, the designated site safety and health officer.

The APP shall be signed by the Contractor and submitted to the COR for approval no less than 14 calendar days prior to the date which the physical onsite work is to start. Work cannot proceed without an APP accepted by the

COR.

Once accepted by the COR, the APP and attachments will be enforced as part of the Contract. Disregarding the provisions of this Contract or the accepted APP will be cause for stopping work, at the discretion of the COR, until the matter has been resolved.

Once work begins, changes to the accepted APP shall be made with the knowledge and concurrence of the COR, project superintendent, and SSHO. Should any hazard become evident, work in the area shall cease, the area secured, and a plan developed to remove the hazard. The COR shall be notified as soon as possible, but not more than within 24 hours of discovery. All necessary action shall be taken to restore and maintain safe working conditions in order to safeguard onsite personnel, visitors, the public (as defined by ANSI/ASSE A10.34) and the environment.

Copies of the accepted APP will be maintained at the job site, and shall be continuously reviewed and amended, as necessary, throughout the life of the Contract. Unusual or high-hazard activities not identified in the original APP shall be incorporated in the plan as they are discovered.

3.10 CRANE CRITICAL LIFT PLAN: If a crane is used to lift material from the Stilling Basin, the Contractor will prepare and sign critical lift plans. The Crane Critical Lift Plan format shall be in accordance with USACE EM

385-1-1, Paragraph 16.H.

3.11 PLAN OF OPERATION: The Contractor will prepare a written Plan of Operation for dewatering the Stilling

Basin, Manholes and Channel, maintaining the Stilling Basin, Manholes and Channel in a dewatered condition for the duration of the Contract, removing the sediment, debris, rock and foreign material from the Stilling Basin, Manholes and Channel, cleaning the Stilling Basin and Manholes by pressure-washing, and performing the incidental construction work in the Stilling Basin area. The proposed methods for dewatering and for the removal of material from the Stilling Basin and Manholes shall be included in the submittal. All construction equipment proposed to be used (including type and size) shall also be included. The plan of operation shall be submitted for review and approval at least 14 calendar days before work is scheduled to begin (November 1, 2017).

3.12 SCHEDULE: The Contractor will provide a schedule, which outlines the major and minor work elements and stages for the Stilling Basin, Manholes & Channel Dewatering and Cleaning scope of work. Time requirements and schedule shall be provided for, but not limited to the following: (1) submittals, (2) mobilization, (3) dewatering, (4) fish removal, (5) removal of riprap, sediment and debris and disposal, (5) pressure washing, (6) inspection and (7) demobilization. Submittals must be provided for review at least 14 calendar days before work is scheduled to begin

(November 1, 2017). A site work schedule shall be prepared and submitted for approval.

4.0 MATERIALS. The Contractor shall submit, for review and approval, product information for the materials required for this Contract listed hereinafter. This information shall include, but not be limited to, the product brand name, model number and product specifications, including product material type, dimensions and weight. This information shall be submitted for review at least 14 calendar days before work is scheduled to begin (November 1, 2017).

4.1 MANHOLE COVERS AND LOCKING MECHANISMS. The new 32-inch diameter manhole covers shall be lightweight (aluminum) and shall be of the same design, or equivalent, to those shown in Attachment 6.

The new locking mechanisms for the covers shall be of the same design, or equivalent, to those shown in

Attachment 6. The new covers and/or the existing manhole cover ring/frame shall be modified as necessary to ensure the cover is flush with the existing ring/frame and adjacent concrete surface. New locking mechanisms shall be installed for both Manholes.

4.2 MANHOLE LADDERS AND LADDER SAFETY DEVICES. The new manhole ladders shall be of the same design, or equivalent, to those shown in Attachment 6. The ladders shall extend from the top of the manhole

(maximum distance of 1 foot 6 inches from the top surface) to the bottom of the manhole (maximum distance of 14” from the bottom (invert) of the manhole). The estimated total length of each ladder is 24 feet. A ladder climbing safety device shall be installed for each ladder and shall comply with 29 CFR 1910.27.r. The new ladder climbing safety devices shall be of the same design, or equivalent, to that shown in Attachment 6.

5.0 WORK REQUIREMENTS.

5.1. GENERAL. It is the intent of this Contract for the Contractor to perform the following work: (1)(a) Remove all surface water from the Stilling Basin, from the two Manholes, and from the Channel between the Stilling Basin and the Weir); (1)(b) Maintain the Stilling Basin, Manholes and Channel in a dewatered condition so that a structural evaluation and inspection of these features can be conducted by USACE until inspection activities are complete; (2) Remove and dispose of all riprap, coarse aggregate, silt, debris, and other foreign material deposited within the Stilling Basin and Manholes prior to USACE inspection activities; (3) Clean the concrete surfaces of the

Stilling Basin and Manholes by pressure-washing prior to USACE inspection activities; and (4) Perform the following incidental construction work in the Stilling Basin area: (a) remove and dispose of the abandoned steel pipe from the wall of the Stilling Basin; (b) replace 2 existing steel Manhole covers with 2 new aluminum covers & locking mechanisms; and (c) install new galvanized steel side rail ladders and ladder climbing safety devices in 2

Manholes.

The dewatering, removal of material, cleaning, inspection activities, and incidental construction shall all take place over a 15-day period between November 1, 2017 and November 15, 2017 to minimize the impact on water users and to coordinate travel plans with USACE inspectors. Flows will be shut off through the main outlet works conduit during this 15-day window. The USACE inspection will take place between November 13, 2017 and November 15, 2017 (3 days). If adverse weather or reservoir level conditions prevent work during this 15-day time period, alternate work dates for the Contract work, are November 15, 2017 to November 29, 2017. Any proposed change in the dates of the 15-day window shall be determined prior to the start of work in the field and will be subject to the approval of the COR. Coordination and communication between the Contractor and the COR shall be clear and concise during the Contract to ensure all inspections, surveys, travel plans, water shut offs, and fish removal plans are in place and all operations are performed safely and satisfactorily.

This work included in this Contract shall be completed as specified herein, as shown on the attachments, or as otherwise directed by the COR. The work consists of furnishing all labor, equipment, and materials and performing all operations necessary for the tasks list below. Additional site information and additional detailed work requirements are provide below in Paragraph 5.5 of this section.

5.1.1. Task 1. The Contractor shall remove all surface water from within the following project features: (1) the

Stilling Basin, (2) the two Manholes, and (3) the Channel between the Stilling Basin and the Weir. See Para. 5.5.2 for additional dewatering/pumping requirements. During the surface water removal process, live fish will be removed from the Stilling Basin and placed into either Chatfield Lake or the South Platte River downstream of the outlet works by USACE and/or the State of Colorado. See Para. 5.5.3 for additional fish removal/relocation requirements. The Contractor shall maintain the Stilling Basin, Manholes and Channel in a dewatered condition for the duration of the 15-day dewatering window or until USACE inspection activities are complete. All surface water shall be discharged into the Channel downstream of the Weir. See Para. 5.5.2 for additional dewatering/pumping requirements.

5.1.2. Task 2 (a). The Contractor shall remove all riprap and other coarse aggregate from the concrete floor of the Stilling Basin and the Manholes prior to USACE inspection activities. The Contractor shall relocate the removed material to the Channel downstream of the end sill of the Stilling Basin a distance of 10 to 100 feet downstream of the end sill and spread the material in areas designated by the COR. The material may be relocated by either manual means (shovels, manual labor, etc.) or mechanical means (dragline, excavator, bobcat, etc.). See

Para. 5.5.4 for additional removal/relocation requirements.

5.1.3. Task 2 (b). The Contractor shall remove all silt, debris and other foreign material from the concrete floor of the Stilling Basin and bottom of the Manholes prior to USACE inspection activities. The Contractor shall dispose of the removed material off USACE property at a disposal facility approved by the COR. The material may be removed by either manual means (shovels, manual labor, etc.) or mechanical means (dragline, excavator, bobcat, etc.). See Para. 5.5.4 for additional removal/disposal requirements.

5.1.4. Task 2 (c). The Contractor shall clean the interior concrete walls, baffles and floor slab surfaces of the

Stilling Basin, and the interior concrete surfaces of the Manholes (in their entirety) by pressure-washing prior to

USACE inspection activities. See Para. 5.5.5, for additional pressure washing requirements.

5.1.5. Task 3 (a). The Contractor shall remove the previously abandoned ~2-inch diameter by 25-foot long steel pipe from the left (west) wall of the Stilling Basin and all of its mounting hardware. The Contractor shall fill in holes left behind by mounting hardware with concrete filler material. The Contractor shall dispose of the removed material off USACE property to a disposal facility approved by the COR. This task shall be completed while the

Stilling Basin is in a dewatered state. See Para. 5.5.6.1 for additional pipe abandonment requirements.

5.1.6. Task 3 (b). The Contractor shall replace the existing 32-inch diameter steel manhole covers on top of the two Manholes with new 32-inch diameter lightweight (aluminum) covers. The Contractor shall install new locking mechanisms for both Manholes. See Para. 5.5.6.2 for additional manhole cover and locking mechanism requirements.

5.1.7. Task 3 (c). The Contractor shall permanently install galvanized side rail ladders in each of the two

Manholes and a ladder climbing safety device shall also be installed for each ladder. See Para. 5.5.6.3 for additional manhole ladder requirements.

5.1.8. Task 4 - All Remaining Work. All Remaining Work shall include all work incidental to the completion of the required work in Tasks 1 (a) through Task 3 (c) and in accordance with these construction specifications and

Attachments. This work includes, but is not limited to, submittal preparation & approvals; obtaining necessary permits; mobilization & demobilization; environmental protection measures; required safety equipment; restoration of disturbed surfaces; quality control documentation; overhead; project reporting; daily meetings; and project management.

5.2 GENERAL PLANS, TECHNICAL DRAWINGS, AND PHOTOGRAPHS. General plans, technical drawings, and photographs referenced in this construction specification are included as Attachments 1 through 6 at the end of this Section. A project location and Contractor access plan is shown on Attachment 1. The Contractor’s work area, staging area, and access plan is shown on Attachment 2. Attachment 3 shows the as-built conditions

(plan, profile, detail) for the Stilling Basin and Manholes from the original construction drawings for Chatfield Dam.

5.3 WATER FLOW REGULATION. Day-to-day regulation of water flow through Chatfield Dam is controlled by

USA…