AJXF_16-1523_Repair_Roof_Bldg_1934-SOW.doc

AJXF 16-1523, REPAIR ROOF AND STRUCTURE BLDG 1934

STATEMENT OF WORK

FOR

PROJECT AJXF 16-1523

REPAIR ROOF AND STRUCTURE BLDG 1934

JOINT BASE ANDREWS, MD

APRIL 2016

BASE CIVIL ENGINEER

11 CES/CENM

3710 FETCHET AVENUE

JOINT BASE ANDREWS WASHINGTON MD 20762-4803

TABLE OF CONTENTS

SECTION

DESCRIPTION

PAGE

01010

Statement of Work

01012 Special Conditions

01300

Submittals

01355

Environmental Standards

01505

Construction Waste Management

02065

General Demolition Requirements

07541

Polyvinyl Chloride Membrane Roofing

SECTION 01010

STATEMENT OF WORK

I. INTRODUCTION

1. SUMMARY OF REQUIREMENTS: For all instances below or in any other section of these specifications where work, materials, operations or services are described, the contractor shall provide all plant, labor, equipment, materials and appliances and perform all operations necessary to repair building structure and replace existing built-up roof and roofing accessories with new PVC roof system for building 1934 located at Joint Base Andrews, MD in accordance with all specifications, drawings and clauses.

2. BACKGROUND: Building 1934 is a one-story steel framed warehouse/storage-type building with built-up roof on a metal roof deck. There is corrosion damage to steel roof deck and framing.. The building cladding is corrugated metal. Building is adjacent to an active military airfield with typical access and delay issues discussed but are not limited to those in section 01012 of this statement of work. There are no known as-built drawings or roof condition reports for bldg.1934.

II. EXTENT OF WORK

1. List of known approximate existing quantities/dimensions (contractor shall verify these before beginning work-assume lightning protection for all roofs):

· Bldg 1934 43’x70’ roof deck. Built-up roof with gravel ballast. No gutters, drainage pipes, or channels. No ladder access. Corrosion damage to existing metal roof deck (approximately 25 square feet) and steel framing including connection of open web roof joist and steel I-beam girder. Steel girder has lost half of its top flange thickness in certain areas.

2 Photos: Photo taking is allowed with official written permission from the Joint Base Andrews Public Affairs Office.

3. Damage/disruption: All work shall be performed in a manner that protects the personnel inside the building from falling debris and keeps the building 100% dry at all times.

4. Performance Period: Contractor shall complete work on site within 90 days of NTP. Liquidated Damages will be applicable for this contract at the specified rate in the contract.

5. Project Scope, Objectives and Criteria: Provide all engineering, labor, material, equipment, supplies, testing and coordination and supervision as follows: Contractor shall A. Supply their own equipment to access the roofs during the entire roofing project.

B. Remove all roof ballast rock C. Remove all existing built-up and modified bitumen roofing and roof insulation.

D. Allow government engineer to inspect structural deck before proceeding further. Investigate, determine nature and extent of, and design and construct repair of structural corrosion damage per paragraph II.1 above so building structure conforms to current load requirements before performing additional roof work on bldg. 1934.

E. Remove all existing flashings, trims, etc. that are part of existing roof system.

F. Removed.

G. Removed..

H. Removed.

I. Install new 60 mil PVC roof (design basis: Duro-Last Cool Roofing equal or better) fully or mechanically adhered as determined by roof designer and manufacturer and hot air welded at all seams over entire roof area. New PVC material shall go up and across the top of all expansion joints and parapet walls.

J. Removed K. Removed.

L. Design and install roof safety tie offs where and as necessary to meet OSHA requirements.

M. Install all new roofing system, drains, flashings and trims as required by the manufacturer to achieve the required warranty of a 20 year single source NDL weather tightness warranty that covers the roof up to the required design wind speeds.

N. Design roof in accordance with ASCE 7-10, IBC 2012 and UFC 3-110-03 outlined in section 07541.

O. Provide Design analysis which shall include engineered drawing details, and calculations.

This includes structural analysis and design for safety tie offs and any required structural repairs to bldg. 1934.

P. The roofing manufacturer shall perform a minimum of 3 inspections and submit a copy of the inspection report for government review and approval prior to continuation of the project. One inspection shall be performed before the work begins, one shall be performed at the 50% completion mark, and one shall be performed at contractor completion before project close-out.

Q. Close-out CD shall include As-built drawings in Auto-Cad and PDF, copy of warranty, and final inspection report.

7. Project Requirements:

A. The contractor shall provide the technical knowledge and skill necessary to perform services to meet standards set forth in this Statement of Work for base facilities, equipment and systems and at a minimum meet manufacturer’s requirements.

B. All stored equipment shall be stored and protected in accordance with manufacturer’s recommendations.

C. Contractor shall submit daily reports to the Construction Contract Inspector on a weekly basis. Daily reports at a minimum shall contain the following information:

i. Amount and type of work accomplished

ii. Materials delivered to the site

iii. Weather conditions and impact to work and schedule

iv. Labor workforces on site

v. Construction equipment on site

vi. Safety inspection performed and violations noted

vii. Any outstanding issues, i.e. delays, RFIs, etc.

D. All items shall be installed in accordance with the manufacturer’s written instructions unless the Base Facility Standards, specifications, drawings, contract clauses, schedule, attachments, and other contract documents are more stringent. The most stringent requirement shall be met at no additional cost to the Government. If meeting the more stringent requirement will void the manufacturer’s warranty the contractor shall notify the Contracting Officer and the inspector prior to voiding the warranty. The contractor shall correct work not meeting these specifications at no additional expense to the government.

8. Evacuation: Before fencing off the construction area, notify the Contracting Officer in writing 30 days before ready to start so that Contracting Officer’s Representative and Project Manager can notify appropriate personnel.

9. Equipment Damaged by Contractor: Prior to starting work the contractor shall annotate and bring to the attention of the inspector any noticeable damage to equipment, ceilings, walls, doors and frames, furniture, floors etc. If the damage is not documented then the contractor shall be responsible for the repairs. The contractor shall be responsible for the repair of any of the above damaged in the process of performing their work. The repairs shall utilize original manufacturer’s approved parts and comply with manufacturer’s specifications. When the contractor finishes the repair, the equipment shall function within acceptable manufacturer’s specifications. This shall be accomplished at no cost to the Government.

10. Contract Qualifications: The contractor shall ensure that all employees performing work under this contract have all applicable licenses and certification to work on the item/s in question. At a minimum the contractor shall hold all applicable license/s required by the state for the type of work being accomplished. Supporting documentations shall be provided if requested. At any time, work performed by a non-qualified person/s may be rejected as noncompliance and may not be acceptable.

END OF SECTION 01010

SECTION 01012

SPECIAL CONDITIONS

PART 1 - GENERAL

1.1 TECHNICAL REPRESENTATIVE: The Commander, 11th Civil Engineer Squadron, or his representative is designated as the Construction Contract Inspector (CCI). This designation includes, but is not limited to, the following specific functions of this contract:

1.1.1 Technical administration and inspection.

1.1.2 Recommending approval of shop drawings, samples and materials.

1.1.3 Testing materials not otherwise specified to be performed by the contractor or others.

1.1.4 Coordinating work operations between CES and Base operations.

1.2 DRAWINGS AND SPECIFICATIONS: Drawings and the specifications are the property of the government and shall not be used for purposes other than those contemplated by the contract. Upon contract award, the government will make available to the contractor upon request, one complete copy of the plans and specifications. Any additional copies required shall be the contractor's responsibility.

1.3 SUBMITTALS: Submit the following in accordance with Section 01300 "Submittals".

1.3.1 SD-60 Health and Safety Plan: Provide Sampling and Analysis Plan in accordance with AFCEE Model Field Sampling Plan, Final Draft Version 1.2 dated 2002.

1.3.2 SD-08 Approved Sediment and Erosion Control Plan.

1.3.3 Site Layout Plan: Submit for approval a detailed scaled drawing showing the layout of the demolition site plan prior to starting work. As a minimum the drawing shall include the locations of office and storage trailers, equipment storage and material staging areas, construction entrance(s) including temporary stabilized construction entrance where required temporary sanitary facilities, shadow box fence including placement of safety signs (i.e. hard hat area, etc.), workers parking area, and trash dumpsters and containers.

1.4 BASE CIVIL ENGINEERING WORK CLEARANCE REQUEST, AF FORM 103:

1.4.1 Prior to commencing construction work or whenever the ground surface is to be disturbed deeper than three inches (3”) or when erecting structures or operating equipment near overhead lines, the General contractor performing such work shall be responsible for application processing and renewal of the AF Form 103 and having in their possession at all times while digging, an approved AF Form 103, in accordance with Joint Base Andrews Washington Regulation 91-5.

14.2 After utilities have been marked in the field by Miss Utility, Cable companies or Base personnel, the contractor shall be responsible for maintaining the markings until work operations have been completed.

1.5 BASE REGULATIONS:

1.5.1 The contractor shall conform to all Base Regulations and directives Those that pertain to security, safety, traffic, fire, and personnel clearances, insofar as they apply to the contractor's activities, will be identified specifically at the pre-performance conference. The contractor shall be responsible for providing and placing barricades, providing traffic control, safety watchmen and lighting and safety devices during all construction activities.

1.5.2 Temporary Stabilized Construction Entrance: The nature of the project may also require a temporary stabilized construction The entrance shall be constructed as required by the Sediment and Storm water Management Plan permits drawings. The contractor shall maintain the temporary stabilized construction entrance such that it functions adequately in the removal of sediment from construction vehicle tires. Stones in the entrance shall be periodically rotated or changed to ensure construction vehicle tires are clean when leaving the site. The contractor is responsible for application and processing of MDE permits/waivers. It is expected that the contractor will engage the services of an A&E expediter to accomplish the application and processing of permits/waivers. It is the contractor’s responsibility to obtain permits and waivers expeditiously. Any delays resulting from MDE’s time to approve permits or waivers shall result in a time extension only. The contractor is responsible for any costs associated in obtaining permits and waivers and any costs associated with any delays in the process. Contractor delays in processing permits and waivers will be at the contractor’s expense.

1.6 ACCIDENT PREVENTION:

1.6.1 The contractor shall comply with all Air Force Occupational Safety & Health Standards, (AFOSH Standards). Copies of AFOSH Standards are available for review thru the Base Safety office

1.6.2 Confined Spaces:

1.6.2.1 Contractors entering confined spaces during construction operations shall do so in strict accordance with AFOSH Standard 91-25.

1.6.2.2 The contractor shall request the proper permits for access from the contracting officer, in writing a minimum of 10 work days prior to confined space entry.

1.6.2.3 All permits shall be issued by base safety, 301 981 1827.

1.6.2.4 The contractor shall provide any and all necessary testing, sampling, ventilation, equipment and supervision services to enter confined spaces.

1.7 OCCUPATIONAL, SAFETY AND HEALTH ACT: Contractors shall comply with OSHA 1926, Construction Standards and the portions of OSHA 1910 standards that are applicable to construction. The Army Corps of Engineers Manual EM 385-1-1, will be used in the absence of guidance in OSHA standards.

1.7.1 Health and Safety Plan Submittal: SD-60. The contractor shall prepare and submit for government review, a site/contract-specific Health and Safety Plan in accordance with Occupational Safety and Health Administration (OSHA) 29 CFR 1910.120.

1.7.2 Safety Plan: The Plan shall establish a site/contract-specific program for medical surveillance, training, hazard assessment, worker protection, site control, accident prevention and response to emergencies. Standard practices and procedures of industrial hygiene, occupational health and safety, and environmental protection shall be prescribed in the plan. The plan shall also include Material Safety Data Sheets (MSDS) for all hazardous materials associated with the contract.

1.7.3 Plan Review: This Plan must be approved by the appropriate base agency prior to the commencement of all on-base work.

1.8 FIRE PROTECTION: Welding, Cutting, Brazing and Burning Operations.

1.8.1 Welding Operation: All welding and burning operations will be accomplished in strict compliance with the requirements outlined in AFOSH Standard 91-5; the National Fire Protection Association Standard 51B, Andrews Air Force Base Instruction 32-2001 and the Department of the Army Corps of Engineers General Safety Requirement Manual EM 385-1-1, OSHA 29 CFR 1910.252. Prior to starting any welding, brazing, or burning operations, the contractor shall obtain a Burning Permit issued by the Base Fire Department. This permit, (USAF Welding, Cutting and Brazing-AF Form 592), is the only acceptable authorization for performing this type of work. The request for this permit can be accomplished by contacting the Andrews Air Force Base Fire Department at (301) 981-4985. A Fire Department representative will respond to the work site, evaluate the conditions and issue the appropriate permit as required. Normally, this is accomplished within two hours after receiving the request from the person requesting the permit. A copy of each permit will be retained at the work site until the work has been completed. The Contractor shall provide, as a minimum, two portable fire extinguishers acceptable to the Base Fire Department at each location where operations of this type are to be conducted. Extinguishers shall meet the requirements outlined in AFOSH Standard 127-56 and by the Base Fire Department.

1.8.2 Fire Fighting Equipment: In areas of buildings not otherwise authorized by government installed equipment, the contractor shall furnish and maintain emergency fire fighting equipment such as water barrels, buckets, shovels and garden hoses of type and capacities satisfactory to the Base Fire Department and the contracting officer. The contractor will be required to make a thorough inspection of each building in which work has been performed at the close of the operations each work day. This inspection will be made to ensure that all necessary safeguards relative to potential fire hazards are in effect and working. The contractor will familiarize themselves and their personnel on the location of all telephones needed for fire reporting, the applicable procedures and all Joint Base Andrews Washington Fire Regulations.

1.8.3 Housekeeping: The contractor shall at all times maintain well housekeeping practices to reduce the risk of fire damage and/or personal injury. All scrap materials; rubbish and refuse shall be removed daily from in and around the building and shall not be permitted to be strewn on adjacent property.

1.8.4 Storage of Flammables: Suitable secure storage space shall be provided by the Contractor, outside the immediate building area for the storing of flammables or combustibles of any type. No storage will be permitted inside of the building. The storage space shall be properly identified in accordance with applicable Federal, National and Local Regulations as outlined by the Base Fire Department. Flammable or combustible liquids being used inside the building will be kept to a minimum and removed from the building during unused periods.

1.8.5 Fire Extinguishers: Contractor shall provide two operational fire extinguishers at each area or location where hazardous operations are being performed. Hazardous operations include, but are not limited to, welding, cutting, brazing, burning, soldering or melting. Operations that produce flying or dripping slag, metal or embers shall have sufficient non-combustible materials on site to protect against fire damage or personal injury due to the operation. This may include fire resistant blankets, as required, by the Base Fire Department. When contractor is using supplemental temporary heating devices, contractor shall provide personnel to prevent these devices from causing fires.

1.8.6 Extinguisher Requirements: Both portable fire extinguishers shall meet or exceed a rating of 4A-40BC, as listed by Underwriters Laboratory, Factory Mutual or any National Acceptable Testing Laboratory. Extinguishers not meeting this requirement are not acceptable.

1.8.7 Fire Alarms: For work operations which require any Base fire detection, alarm or suppression system to be disabled, the contractor shall request in writing a minimum of two days in advance and prior to taking the system out of operation, so that the contracting officer may notify the Base Fire Department of the requirement. The contractor shall also verify that the fire department has in fact been notified, prior to taking systems out of service.

1.9 COORDINATION OF WORK OPERATIONS: The work to be performed under this contract is on an active Air Force Base. The contractor shall coordinate all work operations with the contracting officer prior to starting any work under this contract. The contractor shall have a superintendent who speaks, reads, writes and understands the English language to act for the contractor and to be available on the job site at all times the general or any of his subcontractors is executing work.

1.10 NOTIFICATION: The contractor shall notify the contracting officer in writing, when planning to be absent from the project site for more than two work days. Prior to returning to the project, the contractor shall notify the contracting officer.

1.11 CONTRACTOR'S EMPLOYEE PARKING: The contractor's employees shall park only in areas assigned by the contracting officer.

1.12 SPEED LIMIT: The base speed limit is 25 miles per hour unless posted otherwise. The speed limit in all Family Housing areas is 15 mph.

1.13 CONTRACTOR'S EMPLOYEE RESTRICTION: Contractor employees shall be restricted to areas of the base within the scope of this work; plus, direct routes to and from the site as may be approved at the pre-performance conference with regard to work scheduling and material handling. The contractor's employees will have in their possession at all times a valid picture ID and their base identification pass.

1.14 WORK HOURS: Work for all operations shall be performed during the normal work week, Monday thru Friday, 0700 to 1700. Work shall not be scheduled for any Federal Holiday. Deviations from the normal work week will not be granted except under unusual circumstances. Requests for permission to work on Saturdays, Sundays and/or Federal holidays shall be submitted to the contracting officer for approval in writing, a minimum of five (5) days in advance of the proposed scheduled change.

1.15 SEVERE WEATHER WARNING REQUIREMENTS: When notified by the contracting officer that a severe weather warning has been issued for the area in which construction is being performed, the contractor shall immediately take action to tie down, or otherwise secure, structures, materials, and equipment on the job site that could become missiles as a result of strong surface winds, thunderstorms, or other weather-related conditions. This requirement is applicable twenty-four (24) hours a day, seven (7) days a week.

1.16 ENVIRONMENTAL PROTECTION: The contractor shall provide and maintain environmental protection during the life of the contract as defined herein. Environmental protection shall be provided to correct conditions that might endanger the environment during normal construction operations. Fully conform to Section 01560 Environmental Protection.

1.16.1 Sediment: Soil and other debris that have eroded and have been transported by runoff water or wind.

1.16.2 Solid Waste: Rubbish, debris, garbage, and other discarded solid materials, except hazardous waste as defined in paragraph entitled "Hazardous Waste," resulting from industrial, commercial, and agricultural operations and from community activities.

1.16.3 Rubbish: Materials that cannot be recycled.

1.16.4 Debris: Debris resulting from demolition activities must be managed in order to minimize waste destined for disposal at a landfill.

1.16.5 Chemical Wastes: This includes salts, acids, alkalizes, herbicides, pesticides, and organic chemicals.

1.16.6 Sanitary Wastes:

1.16.6.1 Sewage: Wastes characterized as domestic sanitary sewage.

1.16.6.2 Garbage: Refuse and scraps resulting from preparation, cooking, dispensing, and consumption of food.

1.16.7 Hazardous Waste: Hazardous substances as defined in 40 CFR 261 or as defined by applicable state and local regulations.

1.16.8 Oily Waste: Petroleum products including all fuels and lubricants and bituminous materials.

1.16.9 Rubble: Fill materials generated from non-reinforced concrete masonry, asphalt construction and natural earth resulting from excavation.

1.16.10 Landscaping Waste: Trees, limbs, brush, stumps and other vegetation generated from the clearing and grubbing of natural areas.

1.16.11 Temporary Construction: Upon completion and acceptance of the construction, the contractor shall remove all signs of temporary construction facilities such as work areas, structures, and foundations of temporary structures, stockpiles of excess or waste materials, debris and other vestiges of construction. All areas shall be restored to pre-contract construction conditions, including grading, sodding and other restorations.

1.16.12 Erosion and Sediment Control Measures:

1.16.12.1 Burn Off: Burn-off of ground cover will not be permitted.

1.16.12.2 Reduction of Exposure of Unprotected Erodible Soils: Earthwork brought to final grade shall immediately be finished as indicated and specified. Side slopes and back slopes shall be protected immediately upon completion of rough grading. Earthwork shall be planned and conducted in such a manner as to minimize the duration of exposure of unprotected soils. Unprotected exposure shall not exceed 7 days.

1.16.12.3 Temporary Protection of Erodible Soils: Methods as required shall be utilized too effectively prevent erosion and control of sedimentation and shall be as required by the approved State control plan. Items shall include, but not be limited to, the following:

1.16.12.3.1 Mechanical Retardation and Control of Runoff: The rate of runoff from all construction sites shall be mechanically retarded and controlled. Provision of silt fencing, straw bales and other methods shall be required for any and all areas in which excavation or other types of soil disturbance is performed. Temporary diversion ditches may be constructed to retard and divert runoff to protected drainage courses.

1.16.12.3.2 Vegetation and Mulch: Protection shall be provided on side and back slopes when rough grading is complete or when sufficient soil is exposed to require protection to prevent erosion.

Protection shall be afforded by accelerated growth of permanent vegetation, temporary vegetation, mulching and netting. Slopes too steep for stabilization by other means shall be stabilized by hydro-seeding, mulch anchored in place, covering with anchored netting, sod, or such combination of these and other methods as may be necessary for effective erosion control. Control shall be provided no more than 7 days after disturbance of the area.

1.16.13 Control and Disposal of Solid Wastes: Wastes shall be placed in closed metal containers which are emptied on a regular schedule. Handling and disposal shall be conducted in a manner to prevent contamination of the site and other areas. All containers 5 gallons and larger brought onto base shall have the prime contractor's name and telephone number conspicuously marked thereon.

1.16.13.1 Disposal of Rubbish and Debris: The contractor shall plan their demolition in order to divert debris and rubbish from being sent to landfills. Remaining wastes must be transported off government property and disposal shall be in a manner that complies with Federal, State and Local requirements. The contractor shall provide the contracting officer with a copy of the State and/or Local permit, or license, which reflects such agencies' disposal authorization. The permit, or license, and the location of the disposal area shall be provided to the contracting officer prior to transporting materials off government property. As required by Department of Defense Integrated Solid Waste Policy (Feb 2008) and EO 13423, the contractor shall develop a Waste Management Plan that outlines how a solid waste diversion rate of 50% by weight will be achieved. This includes accounting for the weighted of crushed rubble re-used as backfill. All debris or recoverable materials generated from the dismantlement / demolition is the property of the contractor. Any value realized from those salvaged or recoverable materials accrues to the contractor. The contractor will submit a Waste Management Report at the completion of work detailing how this goal was met, with supporting documentation. This data indicating materials recycled reused will be used to support DOD’s and AF’s recycling goals. More detail on these plans is included in Specification 01505.

This Waste Management report should also include information on the final disposition of asbestos and lead based paint removed from the site, including fully executed manifests, TCLP screening results, post-demolition soil samples for lead, and a brief explanation of what measures were taken to address these issues.

1.16.13.2 Garbage: Garbage shall be disposed, by the contractor, off base. Garbage shall be kept in sealed metal containers until disposal is effected. The preparation, cooking, or disposal of food on the project site is strictly prohibited.

1.16.13.3 Sewage, Odor and Pest Control: Contractor shall provide and utilize Porta-John-type chemical toilets or comparably effective units, and shall periodically collect and remove from the base wastes generated from these units. Contractor shall take measures to control pests and to mask, or eliminate, undesirable odors.

1.16.13.4 Chemical Waste: Chemical wastes shall be stored in corrosion resistant containers and shall be disposed at least monthly, unless directed otherwise. Disposal of chemical wastes shall be in accordance with Federal, State and Local requirements. Fueling and lubricating of equipment and motor vehicles shall be conducted in a manner that affords the maximum protection against spills and evaporation. Lubricants and oils, to be discarded, shall be disposed in accordance with approved procedures meeting Federal, State and Local regulations. The contracting officer shall be notified immediately of oil and hazardous material spills which may be large enough to violate Federal, State and Local regulations.

1.16.13.5 Rubble and Landscaping Waste: Rubble and landscaping waste shall be disposed as herein before specified for "Disposal of Rubbish and Debris”.

1.16.14 Dust Control:

1.16.14.1 Dust shall be minimized on and around the work site at all times; including, non-work hours, weekends and Federal legal holidays. Soil, at the site and other areas disturbed by contractor's operations, shall be sprinkled or treated with dust suppressers as necessary to control dust. Dry power sweeping will not be permitted. Vacuuming, wet mopping, wet sweeping, or wet power sweeping shall be done instead. Air blowing will be permitted only for removing non-particulate debris as from reinforcing bars. Sandblasting will not be permitted unless the dust therefore is confined. Only wet cutting of concrete blocks, concrete and asphalt will be permitted. Unnecessary shaking of bags will not be permitted where concrete mortar and plaster milling is done. For construction in building interiors, provide all work required for and actively prevent the spread of dust and debris to all portions of the building and to avoid the creation of a nuisance or hazard in the surrounding area.

1.16.14.2 Dust Control Plan: Submit a plan for controlling the accumulation of dirt, debris, and dust on roadways and other surfaces adjacent to the construction site. As a minimum the plan shall include the name of the contractor and equipment to be used for cleaning the streets of this material and the measures to be taken to reduce transportation of mud onto adjacent roadways (i.e. rotating or replacing the stones in the temporary stabilized construction entrance to clean the truck tires).

1.16.15 Noise: The maximum use of "low noise emission products", as certified by the Environmental Protection Agency, shall be made when available. Blasting or explosives will not be permitted.

1.17 PRELIMINARY AND FINAL INSPECTIONS: The contractor shall coordinate with the contracting officer and shall request scheduling of the final and pre-final inspections, in writing a minimum of ten days in advance of requirement.

1.18 TRUCK HAULING ON BASE: The contractor shall be responsible for covering open-bodied vehicles transporting sand, gravel, fill materials, dirt, construction debris, rubble, or other material which may become airborne and create air pollution on Base. Alternate means, approved by the contracting officer, may be employed to achieve the same results as would coverings. All dirt, rubble or debris carried onto existing base pavements by contractor operations shall immediately be removed by the contractor.

1.19 STAGING AREA AND FENCES: The haul route and staging area will be assigned by the Contracting Officer at the preconstruction conference and will be on Joint Base Andrews. Daily construction work site and staging area clean up shall be accomplished by the Contractor. This clean up shall include the placing of construction material and equipment in a neat and orderly arrangement. Rubbish, debris, rubble and garbage shall be disposed of daily off base and shall not be permitted to accumulate. If the Contractor has any dumpsters in the staging area, they shall be clearly marked with a sign "for private use only, not for use of base personnel". Dumpsters shall be emptied when contents mound to height of sides. At the end of the work day, the Contractor shall inspect the site to ensure that all paper, cardboard, and similar materials are removed to provide a litter free appearance. Upon completion of all work outlined in the contract drawings and specifications, the Contractor shall remove from the confines of the Base, his construction materials and his equipment.

1.19.1 Staging Area Security: The Contractor's assigned staging area shall be secured and shall be completely enclosed by the Contractor with a minimum 6-foot high temporary fence per paragraph 1.19.2 below. The Contractor shall maintain all Contractor material and construction items as well as construction dumpsters within the confines of this staging area.

The Contractor shall be required to maintain the appearance and order of the assigned staging area, both within and without, during the entire duration of the construction contract. During the growing season (April thru October), the Contractor shall mow and trim all grass areas within the staging area fence and to a 3-foot minimum distance outside of the fence boundary to maintain neat grassy areas of reasonable length. Grass height shall never be allowed to exceed 6 inches. Grass shall not be allowed to grow up along the temporary fence line.

Assume that assigned staging areas will be on grassy areas. Security and maintenance of the staging area and contents thereof is the Contractors sole responsibility. The contractor shall be responsible for safeguarding the construction site and the staging area, including all construction equipment and materials against vandalism and theft. The Contractor shall restore the staging area to its original condition at the end of all construction. All fabric or chain link tears or breaks will be repaired immediately. The staging area fence shall be maintained by the Contractor during the life of the contract and, upon completion and acceptance of the work, shall remain the property of the Contractor and shall be removed from the work site. The staging area shall be returned to its pre-construction conditions.

1.19.2 Fences: All temporary and permanent construction fences (this includes fabric, chain link, snow, and black silt fencing), their fence posts, and stakes will be straight and fabric tight, not loose or drooping, and in good repair. Excess fabric and fencing will be removed and stored out of sight. Fences shall be installed in a true and plumb manner and shall be fabric covered, 6 foot high chain link construction. The fence fabric shall be brown, matching Federal Standard No. 505a, Color 20045 and without wind slots. All fencing shall be sight proof and shall be provided prior to any placement of contractor items in the staging area at the start of the construction contract.

1.20 MARKING OF EQUIPMENT, TRAILERS AND TEMPORARY OFFICES:

1.20.1 The contractor shall ensure that equipment and trucks used on the job, are conspicuously marked with both name and telephone number of owner or leaser. All contractor temporary offices and trailers shall have signs affixed to the exterior, which state the name of the contracting firm, and a name and number of the responsible contracting firm official. The letter size of the firm name shall be a minimum of 8" high with all lettering professionally and neatly prepared.

1.20.2 Office Storage Trailers: Contractor’s office and storage trailers shall be in new or like new condition and be painted Federal Specification Number 595b-23531 ‘Tan’ or approved equal on the exterior. Trailers will include “Skirts” that will prevent storage of material under the trailers. All trailers and other temporary structures used as field offices to house personnel or for storage shall be anchored to the ground.

1.21 AVAILABILITY AND USE OF UTILITY SERVICES: Water and electricity will be available for use by the contractor from the government's existing system outlets and supplies to perform the work under this contract at no cost to the contractor. The location(s) of the temporary connection points will be designated by the contracting officer prior to permitting connections. Materials, labor and other items required to provide the hook up necessary to use the existing government utility shall be the contractor's responsibility. Electric energy shall not be used for resistance heating except within the contractor's office trailer or unless specifically allowed in the technical sections. The contractor will not be permitted to use government telephone service.

1.22 TEMPORARY SANITATION FACILITIES: All temporary sewer/sanitation facilities shall be self-contained units with both urinals and stool capabilities. The units shall be sufficiently ventilated to control odors and fumes and should be emptied and cleaned at least every week or more often if required by the contracting officer.

The doors should be self- closing. The exterior of the unit shall be Federal Standard 595A, No.20045 brown and No. 23531 tan. The facility will be located behind the construction fence or out of the public view.

1.23 HARD HATS: All contractor personnel shall be required to wear a hard hat while on the construction site.

1.24 INTERRUPTION OF UTILITIES: The contractor shall not interrupt existing utilities without obtaining written permission from the contracting officer a minimum of seven work days in advance. The outage request shall be made, in writing, at least ten work days in advance of the outage and it shall state the date and duration of the proposed outage. The contractor shall adjust work schedules to keep outages to a minimum. The contractor shall make final connections to existing utility services, furnish material, perform excavation, backfilling, tamping, and finish surface repairs and other labor incidental to making the utility connections. Outages shall not be performed until all required materials and appurtenances are on the construction site. Construction work associated with an outage shall be accomplished in a workmanlike manner, in accordance with the technical provisions referenced and specified in other sections.

1.25 LANDSCAPE PROTECTION: Provide protection for all existing landscape features such as trees, shrubs, bushes, plantings and sod in and around the area of construction. No existing trees, shrubs, bushes, or other items shall be affected in any way, by contractor actions, unless required by specifications. Prior to any demolition or construction in proximity to any existing landscape feature; the feature shall be protected by fencing, barricades, temporary removal and/or other approved devices. When construction requires that heavy machinery work in close proximity to existing mature trees, the trees shall be protected with a strong 2"x4" frame with 3/4inch plywood sheeting barricade or enclosure. No movement or operation of heavy equipment within a tree shadow area or drip line shall be permitted. Any features which require pruning or trimming in order to place new construction materials or to allow clearance for new materials or equipment, shall be pruned or trimmed in a workmanlike manner. All damaged items shall be replaced in kind with new, by the contractor. Except as otherwise required by the contract, all disturbed of damaged landscaping shall be restored to its original condition. This condition will be as documented in the photographs of the undisturbed site submitted with the site layout plan.

1.26 CUTTING AND PATCHING: The contractor shall perform necessary cutting and patching to existing walls, ceiling, floor and other areas as necessary for the performance of the contract. Work that is patched, replaced, shall match similar existing work. Cutting and patching shall be performed by mechanics skilled in the trades involved. Patching material shall be of the same type, style, thickness, color, texture and finish to match existing adjacent surfaces. Patching of all brick building exterior finishes shall be performed by the complete removal of all damaged full or partial bricks and the provision of complete new masonry units, keyed into the existing construction and mortar that matches existing construction. Roof and wall openings shall be adequately protected against the elements during all construction phases. Unless otherwise provided by the drawings or specifications, structural members shall not be cut or altered without prior authorization of the CO.

1.27 DUST BARRIERS: Dust shall be minimized at all times. Dust tight barriers shall be constructed by the Contractor within the work area before any demolition or construction.

1.28 SECURITY AREAS: Work to be accomplished under this contract is on a secure base and the contractor will not be granted unlimited access. The contractor shall contact the contracting officer a minimum of five workdays prior to commencement of work to arrange for security passes and to become acquainted with security requirements. The contractor shall not deviate from any and all indicated security requirements.

1.29 HIGH VISIBILITY AREAS: Work performed under this contract is in a designated high visibility area.

1.29.1 Appearance of Workmen: All contractor employees shall wear work shirts bearing a patch on the front left breast, with the company name or emblem and shall possess at all times an identification card indicating the individual's name, company name, and bearing a picture of the individual. Workmen shall be neat, clean and presentable when working on base. The contractor's vehicles shall display emblems indicating the company name. Work clothes shall consist of shoes, shirt, and long pants, or long coveralls.

1.29.2 Objectionable Employees: The contracting officer, in writing, may require the contractor to remove from the work site, area, or base, objectionable employees. Objectionable employees include those employees not properly attired, those employees using profane language or employees which act in an unsafe or reckless manner.

1.29.3 Cleanliness: The contractor shall protect government property and furnishings that may be in, or adjacent to, the work area with appropriate clean drop cloths, barricades, dust-stops, or other provisions as determined by, or approved by, the contracting officer prior to starting work. The contractor shall remove all debris, tools, materials and equipment and other items when work is completed in each particular area.

1.29.4 Daily Clean-Up: Daily construction site and staging area clean-up shall be accomplished by the contractor. This clean-up shall include the placing of construction material and equipment in a neat and orderly arrangement on the site. Equipment and materials must not block access to existing facilities. Rubbish, debris, rubble, and garbage shall be disposed of daily. At the end of the work day, the contractor shall inspect the site and area to ensure that all paper, cardboard, demolition products and similar materials are removed to provide a litter-free appearance. On-base access routes utilized by construction equipment and/or delivery vehicles shall be maintained free from clay or mud balls, clods, and mud. During the growing season (April thru October), all grass areas in the contractor’s construction area, within ten feet of contractor staging and construction areas or within 10 feet of buildings or portions of buildings under construction shall be mowed and trimmed to maintain neat grassy areas of reasonable length, by the contractor. Grass height shall never be allowed to exceed 6 inches. The 55 gallon trash containers shall be emptied a minimum of once a day or more often as necessary and directed by the contracting officer. The site dumpsters shall be emptied a minimum of once a week or more often if determined necessary and directed by the contracting officer in order to keep the site clean of trash. Dumpsters and containers shall not be allowed to overflow and permit trash to enter the site or adjacent areas.

1.29.5 Cleaning Roadways: All roadways adjacent to the construction site which accumulate construction dirt, debris, of dust shall be cleaned at least once a week or more often if determined necessary and directed by the contracting officer in order to maintain a neat appearance.

1.30 DUMPSTER USE: The contractor shall be fully responsible for securing construction dumpsters from potential filling or use by unauthorized personnel. Securing may be through the use of lockable covers or by controlling access to the dumpsters through the use of fencing that matches that specified for the contractor staging area or by locating the dumpsters within the assigned staging area. Site dumpsters shall be emptied as least once a week, or as needed to keep the site free of debris and trash.

1.30.1 Dumpsters: The dumpsters shall be painted Federal Specification Number 595b-23531 ‘Tan’ or approved equal, free of graffiti, and be equipped with a securable cover. The cover shall be in place at all times except when trash is being deposited or removed.

1.30.2 Trash Containers: Trash containers shall consist of 55 gallon drums painted Federal Specification Number 595b-23531 ‘Tan’ or approved equal, free of graffiti, and have ‘TRASH’ printed in 10 inch high white lettering on the side of the container at two locations opposite each other. The contractor shall provide a minimum of one trash container for each 1,000 square feet of construction area. Trash container shall be emptied at least once a day.

1.31 BARRICADES: Barricades are required in accordance with the quoted safety regulations. "Each job site will be clearly identified by signs, and protected by barriers suitably marked by reflective materials, and illumination for easy sighting after dark." This provision is required in accordance with AFOSH Standard 127-66, Chapter 4, para 4-1, f(1). Where steel plates are used over open trenches, they shall be secured to prevent vehicle damage. Unusual or specific requirements for signs or lighting are as required or specified in the specifications. When special requirements are indicated, they will take precedence over applicable Special Condition paragraphs. Safety signs shall be posted at all entrances to the construction site. The signs shall be Federal Specification Number 595b-23531 ‘Tan’ or approved equal unless safety mandates otherwise.

1.32 CATALYTIC CONVERTERS: No vehicle equipped with a catalytic converter shall be permitted to operate within 50 feet of any aircraft; on or near the taxiways or runways; around fuel spills; in Petroleum, Oils, and Lubricants (POL) areas; in munitions areas; or in other potentially hazardous areas when identified with a placard.

1.33 TOOLS AND EQUIPMENT: All hand tools and equipment utilized by the contractor must be suitable for use in the area required. Explosion proof equipment, special low noise equipment and other special equipment shall be provided as specified. Additionally, if the specific work area so dictates, the equipment used shall be Class 1, Division 1, suitable for Hazardous (Classified) locations.

1.33.1 Emergencies: In case of an emergency, the contracting officer, Base Fire Chief and Base Operations Officer, or their representative, shall have the authority to order the contractor to terminate work and clear the area of personnel and equipment. The contractor shall comply, to such an order, with all possible speed.

1.33.2 The contractor shall be advised by the contracting officer if this becomes necessary. The contractor can expect approximately two quiet periods a week. The length of a quiet period is approximately 30 minutes.

1.34 AIRFIELD

Work to be accomplished by this contract is on an active airfield. Contractors must be briefed on airfield driving safety by 89 OSS/OSA, Airfield Management, receive Privately Owned Vehicle (POV) passes if vehicles do not have company logos, and escorted by airfield driver’s trained escorts who have VHF radios, prior to operating on the radio Controlled Movement Areas (CMA). POV’s operating in the CMA must have either a rotating beacon, orange and white checkered flag, or at a minimum, utilize emergency flashers. Contractors shall be briefed on airfield driving procedures at least 5 work days prior to starting work. The Construction Manager shall schedule these training times. When authorized to cross operational runways and taxiways, the crossing locations will be pre-designated by the Construction Manager with the Airfield Manager’s coordination.

The escort shall be required to maintain radio contact with the control tower at all times to gain access to the radio CMA. Construction equipment must be removed each day unless previously coordinated with the Airfield Manager. Any construction equipment approved to remain on the airfield will be grouped in a designated area and marked and lighted. Aircraft shall always be given right-of-way. The contractor will not be given unlimited access to the airfield and may not be able to work multiple areas at one time due to operational requirements.

1.34.1 Proximity to Active Runways and Taxiways: Contractor personnel and equipment should not work any closer than 100 feet to edges of active runways and 200 feet from the centerline of active taxiways unless coordination and/or waivers have been accomplished.

1.34.2 Airfield Criteria Waivers: For construction, follow requirements of UFC 3-260-01, Appendix B, paragraph B1-2.1 and B1-2.2. For markings and visual navigation aids, follow requirements of UFC 3-535-01. Use these to determine if a waiver may be necessary, contact the Construction Manager to help make a determination, and initiate the waiver process. Two typical examples of Airfield Criteria Waivers are:

1.34.2.1 Temporary Construction Waiver: Any work on an airfield will require a temporary construction waiver. It is to be completed by the 11th CES Engineering Flight and signed by the 11th Wing Commander (11WG/CC) IAW UFC 3-260-01, Appendix B, paragraph B1-2.2.1. The contractor must provide information such as a phasing plan in accordance with Appendix B, section 14 to the Construction Manager for the waiver. This waiver can take up to 30 days for approval.

1.34.2.2 Obstruction Waivers: Though not always needed, there are two kinds, Temporary and Permanent waivers. UFC 3-260-01 identifies the criteria to determine if you will create an obstruction during and after construction. Work with the Construction Manager to make that determination and generate the wavier package.