SOURCES SOUGHT
56 -- Concrete B HUTS
- Notice Date
- 10/29/2010
- Notice Type
- Sources Sought
- NAICS
- 238110
— Poured Concrete Foundation and Structure Contractors
- Contracting Office
- Department of the Army, CENTCOM - Joint Theater Support Contracting Command, BAGRAM RCC, APO AE, Non-U.S., 09354, Afghanistan
- ZIP Code
- 00000
- Solicitation Number
- W91B4N-11-R-8000
- Archive Date
- 11/10/2010
- Point of Contact
- Daniel R. Tatro, Phone: 3184313402
- E-Mail Address
-
daniel.r.tatro@afghan.swa.army.mil
(daniel.r.tatro@afghan.swa.army.mil)
- Small Business Set-Aside
- N/A
- Description
- Sources Sought Notice Bagram Regional Contracting Office (BRCC), Bagram Air Field, Afghanistan, has a requirement for the establishment of a Indefinite Delivery, Indefinite Quantity (IDIQ) contract for the period of 30 Nov 10 - 29 Nov 11 with the option of 2 additional periods of performance. The requirement will be set aside for AFGHAN CONTRACTORS ONLY. Joint ventures with Afghan companies are acceptable. The purpose of this notice is to determine the capacity/capability of Afghan companies to perform the requirements listed below. This is not a pre-solicitation notice; this is for information purposes only. The requirement is for concrete B HUTS on Bagram Air Field, Afghanistan. The contractor(s) will be required to provide all plant, labor, materials, tools, equipment, engineering, testing services, supervision, supplies, transportation and all other items as necessary to construct the concrete B HUTS. 1.0. PROJECT SCOPE: The work consists of the design and construction of a pre-cast concrete B-Hut on Bagram Airfield (BAF). The US Government will provide the locations of the B-Hut. The B-hut is 18 feet by 36 feet (interior dimensions) in size. Any changes in construction from this Statement of Work and the attached prints will be approved in advance in writing by the Contracting Officer. The Contracting Officer and Contracting Officer Representative (COR) reserves the right to approve and or disapprove any material that is used in the project. 1.1. (a)CONTRACTOR: All work described under this Statement of Work and the related drawings shall be completed by the Contractor. The contractor shall provide qualified supervisory, technical and labor personnel capable of meeting BAF on-base access requirements. The labor force shall possess the masonry, carpentry, and electrical skills for this project and sufficient staff to accomplish the work in a timely manner. The contractor will provide all necessary tools and materials required for this work. (b) The contractor shall have on his contract team an experienced Pre-Cast Concrete Contractor, with experience in establishing a PCI certified Pre-Cast Concrete Plant at remote locations. Contractor should be able to demonstrate experience of at least 50,000 square feet of similar types of construction. 1.2. PLANT: The Pre-Cast Concrete sub contractor shall establish a Precast/Prestresssed Concrete Institute (PCI) certified plant. Due to the tactical issues of moving inspectors around Afghanistan, the plant shall be located at BAF or shall border BAF so that more than a 100m is contiguous with BAF. The government will not make land available for this purpose as sufficient competitors with land exist. 1.3. SUBMITTALS: a. GENERAL: Submit five copies to the COR. Submittals shall be clear and easy to understand with dimensions in English or SI units b. DESIGN: Submit a design and calculations bearing the stamp of a registered professional STRUCTURAL engineer, registered one of the United States. The design shall be capable of handling the following loads: (a). Seismic: Zone 4 IAW ASCE/ANSI latest standards. (b). Roof Snow Load: 40 Pounds per Square Foot (psf). (c). Floor Live Load: 75 psf. (d). Wind: 100 miles per hour (mph) IAW ASCE/ANSI latest standards. (c). FORCE PROTECTION: Submit calculations IAW UFC 4-020-02-FA "Security Engineering" for appropriate stand-off distance and UFC 3-340-01"Design and Analysis of Hardened Structures to Conventional Weapons Effects" for shrapnel penetration and spalling effects. c. STACKING: B-Hut Units are to have corner connectors capable of stacking three (3) high for multi story construction. The design shall clearly indicate loadings and seismic calculations, stamped by a professional engineer registered in one of the United States. The Design Engineer will not be permitted to rely on exterior stairways or fire escapes to transmit seismic loads to the ground. The stacked units shall be capable of resisting seismic loads standing alone. Each unit shall be capable of use in a single story or multi story use. d. FOUNDATION DESIGN: Submit a Foundation design for Single Story, two story and three story configurations. Foundations for single story shall be pre-cast concrete (mobile) blocks, minimum 2 feet by 2 feet by 1'6 inches with anchors for supporting the B-Hut. Foundations for multi story shall be cast in place concrete foundations capable of seismic zone 4. d. Quality Assurance/Quality Control Plan: 1. Submit a Quality Control Plan which details the contractor's plan to obtain PCI certification. The QC Plan should include the following: A complete QC laboratory; controls for receiving materials (cement, aggregate, reinforcing steel, insulation, sealants, ready mixed concrete, etc); Fabrication controls including pre-pour inspections, post pour inspections, and concrete testing; Erection Audits; Archival QC record for each piece produced with stenciled serial numbers; Prior approval of QC Manual by PCI; Unannounced Inspections by PCI. Submit plans for concrete testing. Test results shall be submitted to the COR upon completion. The concrete for Each Precast Unit should be tested for slump, air content and compressive strength and each unit shall be labeled. All rebar shall bear a mill stamp and shall be 60,000 psi yield strength. The Government shall be notified of each units forming and completion of reinforcing steel, electrical conduits, spacers, outlets and other cast in place features prior to the placement of the concrete. The Government will reserve the right to inspect any and all units prior to casting. Any units cast without proper notification to the Government will be REJECTED by the Government. 2. The U.S. Government reserves the right to inspect the quality of construction and to order corrections or replacement, at no additional expense to the Government, of items determined as not meeting the minimum standards 2.0. CONSTRUCTION STANDARDS 2.1 Site Prep: Contractor shall perform the site preparation to include clearing any debris as ordered by the COR and removing topsoil and all organic matter, leveling, compacting and shaping the site for drainage as applicable. The site shall be covered with a course crushed stone product, 3/4inch to 2 inches in size. In this case, the contractor will confirm availability of this option during the site visit for bid preparation. 2.2. Layout: The Contractor shall layout the B-Hut locations as shown on the B-Hut layout design or as directed by the COR. The COR will provide a base stake to locate the B-huts. 2.3 Foundation: The Contractor shall install pre-cast or cast in place concrete footings, with bolt anchors for tie downs between the b-hut and the foundation. Each of the bolt down location shall be capable of transferring seismic loads from the b-hut to the foundation and the ground and a minimum of 4000 lb uplift. The foundations shall be constructed in such a way that the b-hut finished floor is a minimum of 18 inches above the grade of ground at the time of contract award unless shown different on plans. 2.4 GENERAL DESCRIPTION 2.4.1. PHYSICAL FEATURES: The finished b-hut shall be assembled from pre-cast units capable of being placed within an imaginary box which measures 10 feet by 10 feet by 37 feet for shipment to remote areas. The units shall have a bare concrete rubbed finish with no honeycombing, pockets or lumped aggregate. The units shall assemble with seismic capable connectors. Pre-stressed units will not be allowed. Minimum roof thickness shall be eight (8) inches. 2.4.2. ASSEMBLY and MOBILITY: The roofs, floors and walls will assemble with seismic zone 4 capable bolted connections and connection plates. The connections shall be designed and constructed in a manner which allows for quick disassembly and shipment should the Government elect to relocate the units. 2.6. FINISHES 2.6.1. All exterior walls must be clean of debris. The finished exterior surface shall be concrete with a rubbed finish. At the eaves of the long walls the contractor shall paint with approved stencil lettering the phrase "NO SANDBAGS ON ROOF" with four (4) inch high letters. 2.6.2. The quality of the work described above is to meet or exceed the standards deemed by the Contracting Office. 3.0. ROOF: The roof shall consist of the following components: 3.1 Thickness: Minimum eight inches thick, reinforced precast concrete. 3.2 Membrane: Approved EPDM rubber roofing sheet. 3.3 Joint material: Evosote expansive concrete joint sealer with elastomeric caulk and backer rod. 3.4. Insulation: The roof shall have insulation cast in the concrete and shall be an R-10 insulation rating. The Insulation shall have connectors to the concrete and shall be constructed in a manner as to effectively transfer the shear stresses to the exterior layers of concrete creating a sandwich panel type construction. 4.0. WALLS 4.1 Thickness: Minimum 4 inches thick with end walls minimum 6 inches. An interior bearing wall will be acceptable provided that the open bay characteristics are maintained (Maximum 4 feet in length with a maximum number of two walls). 4.2 Reinforcement: Steel Reinforcement, determined by the contractor's design and shall meet Seismic resisting conditions. 5.0. DOORS a. Contractor shall construct door openings as per the Approved Drawings. b. Doors shall have a seven foot by three foot leaf, finished 1 ¾ inches thick, with a steel frame affixed to the units with concrete cast-in-place anchors. The door shall be an insulated with a polyurethane insulation and the steel exterior door and the door and frame will have a factory applied baked enamel paint finish. The face sheets shall be reinforced, 16 gage minimum. 5.1 DOOR HARDWARE a. Cylindrical Exterior lock with interior lever handle panic device, interior kick plate, and weather stripping. The contractor shall provide the COR with seventeen keys for each b-hut unless specifically directed otherwise. 5.0 STEPS: Steps shall be provided for each doorway. The stairs shall be of wood or precast concrete construction (brush finish), with adequate bracing to prevent lateral movement. The stairs shall be fastened securely. A bottom plate shall be provided on the bottom of the stairs. The risers shall be a smooth surfaced and free of splinters. The rise shall be equal in height and between 6 and 7 inches tall. The run shall be equal in length and 11 inches. The stair width shall be 49 inches. The height and number of steps shall be adjusted as required based on the height on the floor. 6.0. HEATING, VENTILATION AND AIR CONDITIONING: 1. Each b-hut shall have two reversible 50 CFM fan at both ends on the small walls above an elevation of six feet above finished floor. 2. Two-Ductless, Mini Split, Heat Pump System, with a minimum of 9000 BTU's of cooling/heating capacity each to operate down to 0 degrees Fahrenheit. Coolant lines to include heat trace. One unit (condenser and evaporator) will be installed on each end wall. 7.0. ELECTRICAL: 1. IAW the attached Electrical Plan. NEC (latest version) compliant. 2. Conduit to be NEC compliant, cast within the concrete with flexible conduit. 3. Wall outlets to be flush mounted. 8.0 LIGHTING: 1. Eight (8) Wall Mounted (at the top of the walls) single 4 foot lamp wrap around fixture, T8, electronic ballast. Four (4) on each long wall. NEC (latest version) compliant 8.0. EXCAVATION & BACKFILLING 11.1. Contractor shall be responsible for compacting soils in accordance with the design plans. 11.2. Contractor should assure that any opened areas are properly barricaded and marked with reflective tape or signs as necessary. 11.3. Contractor shall be responsible for obtaining a "Dig Permit" for each section of the project and assure that underground power lines, water lines and fiber optic cables are identified on the ground before any excavation takes place. In the event that an underground utility has been marked and was damaged by the contractor's activities, the contractor will be responsible for the costs of the repairs. 12.0. PROJECT CLEAN-UP 12.1. Contractor shall ensure the work is free of debris and safety hazards upon completion of the work each day. 12.2. The contractor will clean up all left over materials from the construction site prior to the project's being determined as complete. No trash, tools, or construction debris shall be left in the project area prior to acceptance by the U.S. Government. 12.3. Waste concrete over one (1) meter in size will be hauled off base at the contractor's expense. 12.4. The U.S. Government reserves the right to inspect the quality of construction, and to order corrections or replacement, at no additional expense to the government, of items determined as not meeting the minimum standards. 12.5. Re-grade, fill as necessary, and gravel area around building upon completion to facilitate drainage of the area for storm water run-off. No water ponding shall occur after a rain event. 12.6. The area immediately outside the building and inside the compound shall be covered with gravel. No rocks greater than 2-inch shall be left on the project area prior to acceptance by the U.S. Government. 12.7. Contractor shall repair or replace property or items damaged during construction. 12.8. Materials or equipment owned by Coalition Forces shall be returned to a location designated by the Contracting Officer's Representative. 13.0. TIME LIMIT FOR PERFORMANCE OF CONTRACT 13.1. The Contracting Officer shall allow 90 days to allow for design, review and plant set up. Delivery of the first units shall take place in 30 days upon approval of the plant and the design. Newly ordered units shall take 30 days to deliver upon delivery of the first unit. The project timeline will begin with the date of the signed NTP (Notice to Proceed). This project will be phased and subject to Government delays. 13.2. The Contracting Officer, for inclement weather, flooding, or non-availability of government furnished materials, may grant additional days, where such situations interfere or otherwise obstruct the Contractor's ability to continue the work. 13.3. The Contractor shall submit written requests for additional days to the Contracting Officer. If interested in this requirement, contractors are required to submit course of action plan that will show how your company will meet the specifications in this sources sought. We require documentation that will demonstrate the contractor can complete the concrete B HUTS.
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