W9124N-12-R-0017
0002
Page 1 of 20
SECTION SF 30 BLOCK 14 CONTINUATION PAGE
SUMMARY OF CHANGES
CONTRACTOR Questions and Answers:
The following are questions submitted by prospective contractors along with the corresponding answers: All of the following information is now an official part of the solicitation.
1. Will the contractor be able to stockpile removed concrete and AC in the vicinity of the project site?
Answer:
Contractor shall follow requirements and direction of DPW and Environmental Office in order to temporarily stockpile removed concrete and AC. The nearest approved location for temporary stockpile is at Adams Street and 8th Street. Final payment will not be issued until all stockpiled material is removed from Parks Reserve Forces Training Area (PRFTA) and COR is provided certificates of disposal/recycling.
2. Are the two 30-foot wide concrete driveway aprons the only concrete that contains reinforcement steel?
Answer:
The driveway aprons require #4 rebar at 18”o.c. New curb installation requires #4 bars continuous. ADA curb ramps shall be tied to adjacent concrete pavements and curbs with #4 reinforcing bars spaced at 1’o.c. Sidewalks require 6 x 6 W1.4/1.4(10Ga) wire mesh.
3. Is there a recommended concrete mix design or strength?
Answer:
Portland Class B Concrete
a. Minimum compressive strength: 3,000 psi @ 28 days; (Driveways Minimum compressive strength 4,000 psi and Minimum flexural strength: 650 psi @ 28 days for driveways).
b. Maximum slump: 3 inches.
c. Water-cement ratio: 0.55 maximum. Ready-Mixed Concrete: Measure, batch, and mix concrete materials and concrete according to ASTM C 94. Furnish batch certificates for each batch discharged and used in the Work.
When air temperature is between 85 deg F and 90 deg F, reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F, reduce mixing and delivery time to 60 minutes.
4. Does the curb painting have to be removed or can it just be painted over?
Answer:
Existing paint that is flaking off shall be removed and properly disposed (coordinate with PRFTA DPW and Environmental Office) prior to painting over; Contractor is not required to remove all existing paint.
5. What is the contractor’s responsibility with respect to the grounds surrounding the concrete and AC work? In other words, will the contractor have to devote landscaping services to those areas immediately surrounding the concrete and AC replacement?
Answer:
Contractor shall perform drainage survey of grounds prior to construction to ensure grounds/grade, and new sidewalks, curbs, driveways, and ramps will drain sufficiently and pose no tripping hazard. Contractor is required to ensure landscaping service is returned to the Government in the same or better condition.
6. What permits are required?
Answer:
PRFTA Dig permits are required. Contractor shall also utilize USA DIG and thru COR, coordinate with DPW, Environmental and Network Enterprise Center (NEC) to ensure all underground utilities are identified; potholing may be required. In the event underground utilities are discovered and are not recognized on PRFTA Utility Map, the Contractor shall record the horizontal and vertical position and the depth below surface. These dimensions shall be included in the as-built drawing package for the area being excavated.
7. Is sidewalk design to be in accordance with UFC 3-250-01FA?
Answer:
Sidewalk design to be in accordance with UFC 3-250-01FA unless specified in the contract/SOW/Q&A; design must also be approved by COR.
Concrete curbs maximum spacing of contraction joints is 10’
Concrete sidewalks maximum spacing of contraction joints is 5’ intervals and at junctions with other walks and slabs.
Concrete sidewalks maximum spacing of expansion joints is 15’ intervals and at junctions with other walks and slabs.
8. Is 2,500 psi concrete acceptable?
Answer:
No. Minimum acceptable compressive strength is 3,000 psi @ 28 days; 4,000 psi for driveways and handicap access ramps.
9. Is aggregate base required under sidewalk? If so what thickness?
Answer:
Yes. 6" thick, compacted to 4”; Class II AB
10. Compaction of native soil is required under the driveway aprons; will compaction be required under sidewalk?
Answer:
Yes, 95%
11. Sidewalk paths in landscape areas to match existing grade?
Answer:
See response to Question Number 5.
12. Confirm contractor to provide all quality assurance testing.
Answer:
Contractor shall refer to FAR clauses 52.246-12 Inspection of Construction and 52.246-13 Inspection—Dismantling, Demolition, or Removal of Improvements as indicated in Solicitation, Section E.
13. Fed Biz website indicates proposals for this solicitation are due 30 April 2012 at 2:30, but SF-1442 indicates proposals are due 4 May 2012 at 2:30. Please confirm proposals are due 4 May 2012 at 2:30 PM.
Answer:
The solicitation is correct. Because of the extra time it took to post the solicitation, the due date of the proposals was amended to 4 May 2012 at 2:30 PM. FedBizOps also lists the due date as 4 May 2012.
14. The California State License Board indicates contractors are not required by the state of California to have a contractor’s license when working for the Federal Government on federal government property. Please clarify.
Answer:
Upon further research, you are correct. The requirement to have a California State License has been removed from the requirements.
15. Reference "Statement of Work" page 6 of 44. Paragraph indicates contractor is to provide As-Builts drawings in AutoCAD. Is the government providing existing auto cad files? Or is the contractor responsible to develop new files? Please clarify.
Answer:
The Government will provide existing auto cad files for Contractor to update and submit as as-built.
16. Reference solicitation page 40 of 44. Paragraph 1.4.2.3.1 indicates the following “Offeror shall complete a cost breakdown of the total proposed price by Labor, Material, Equipment and Transportation, Subcontractors, Overhead, and Profit, etc. Is this requirement applicable to this solicitation?
Answer:
Yes, provide a cost breakdown for the items listed.
17. Reference question No. 15. If cost breakdown required, is there a form we need to fill out?
Answer:
There is no special form. Just list your cost breakdown on a separate page.
18. Reference question No. 15. If cost breakdown required, where are we to insert this breakdown?
Answer:
Insert the cost breakdown right after the Schedule B, Bid schedule on a separate page.
19. We inadvertently missed the organized and scheduled site visit. Would we be allowed to contact Mr. Wong to schedule a site visit?
Answer:
No, Individual site visits are not allowed because all information has to be made available to all prospective contractors. Due to time limitations, the site visit that occurred on 11 April 2012 will be the only organized site visit for this requirement.
20. Would failing to submit a copy of current, valid California contractor's license render proposal non-responsive or Technically Unacceptable?
Answer:
See the answer to Question 14. Because the requirement to provide a California State License has been removed, this question is not applicable.
21. Can all of the sidewalk be demolished at one time? If not what is the allowable length of time the sidewalks can be taken out of service for demolition until the new sidewalk is poured?
Answer:
No, all sidewalks cannot be demolished at one time; Contractor shall ensure occupants can safely access/enter the barracks buildings.
22. What type of temporary walks must be provided if any?
Answer:
Temporary walks are not required so long as a clear and safe path to enter the barracks is available. The Contractor shall be responsible for control of pedestrian and vehicular traffic in the work area limits for this project.
SECTION C - DESCRIPTIONS AND SPECIFICATIONS
The following have been modified:
STATEMENT OF WORK
REPAIR SIDEWALKS, CURBS & GUTTERS
UPPER 300 BARRACKS
Project Site Address:
10th Street, Davis Avenue
Parks Reserve Forces Training Area
Dublin, CA 94568
Submitted by:
Directorate of Public Works – Engineering Division
Parks Reserve Forces Training Area
Building 791 5th Street
Dublin, Alameda County, CA 94568
Preparation Date:
March 22, 2012
GENERAL
Contracting Officer: Mihui Toves
(831) 242-4641,
Contracting Officer Representative:
Mr. Robert Wong, DPW, (925) 875-4683,
Technical Expert/DPW Engineering:
Mr. Aristotle Guillermo, General Engineer, (925) 875-4264,
Ms. Patty Skinner, Engineering Technician DPW, (925) 875-4626,
Security – Point of Contact:
Mr. Craig Creamer, Physical Security, (925) 875-4658,
Antiterrorism Point of Contact:
Mr. Alan Brown, Antiterrorism Officer, (925) 875-4290,
Fire – Point of Contact:
Chief Mark Shippee, Fire Chief, DES, (925) 875-4901,
Safety – Point of Contact:
Mr. Allan Graff, Safety Specialist, Garrison, (925) 875-4681,
PERFORMANCE
Performance duration will be from NOTICE TO PROCEED to 60 Days.
TECHNICAL REQUIREMENTS:
Contractor shall submit completed DD Form 1354, Transfer and Acceptance of Military Property. Grounds damaged by heavy equipment shall be repaired by contractor. The contractor shall provide at least (1) year warranty or manufacturer’s warranty, whichever is greater, on material, parts & (1) year warranty on labor. All work shall be done in accordance with the statement of work, manufacturer’s recommendations and latest applicable codes to include, UFC 3-600-01. All penetrations shall be protected by a fire stop system or device in accordance with NFPA 101 Life Safety Code, Chapter 8 Section 8.3.5.1*Fire stop System and Devices Required. The Contractor shall provide signs, barriers, and barricades to provide a safe working area. Requirements of occupational Safety and Health Act (OSHA), latest edition and U.S. Army Corps of Engineers “Safety and Health Requirements Manual”, latest edition, shall be strictly enforced and adhered to at all times at the job site. A complete and usable product shall be available upon completion of this project. Clean entire work site, haul all debris/packaging off of Parks Reserve Forces Training Area (PRFTA) to a State and County approved disposal site, and remove all contractor owned equipment and materials.
All contractors, including subs, shall complete the online Force Protection Training ( and provide COR with certificates of completion (pdf file) and all vetting information in a Word 97-2003 Document by e-mail for both primary and sub-contractors prior to the pre-construction meeting. All required vetting information includes the following: (1) Full Legal Name (with suffix if applicable), (2) SSN, (3) Place of Birth,(City & State or City, Province, & Country) (4) Drivers License Number and State of Issue, or State Issued ID, (5) Current Address, (not a post office box), (6) Date of Birth, (7) “A” Number on the Resident Alien Card (must carry card and/or work permit), (8) Submit a signed and completed Release of Information form. Item # 1-7 should be submitted in a typed, legible list. All Resident Alien personnel must carry their Resident Alien Card and present it with Drivers License to the Gate Guard, this information must also be provided prior to the pre-construction meeting. All of the requirements of this paragraph must be completed before work is scheduled to start.
The contractor shall schedule and attend a pre-construction meeting prior to scheduling or starting any work. To schedule this meeting at least one week in advance contact Robert Wong, DPW, (925) 875-4683; Monday through Friday, 8:00 A.M. to 4:30 P.M. In the pre-construction meeting the contractor will present a tentative starting date and schedule of work. (Do not schedule work to start the day of the meeting). Note: Work cannot commence until all personnel security vetting requirements are met.
STATEMENT OF WORK
Repair Sidewalks, Curbs & Gutters
Upper 300 Barracks
Parks Reserve Forces Training Area (PRFTA)
Dublin, CA 94568
Date: 22 March 2012
Location:PRFTA 10th Street, Davis Avenue, B301 & B302
Job: Install new and replace existing sidewalk, curb & gutter.
INTRODUCTION
Parks Reserve Forces Training Area (PRFTA) is a military installation located approximately 40 miles southeast of San Francisco in Alameda and Contra Costa Counties. The Army Reserve acquired this 2,478-acre parcel of land from the US Army in 1980. The primary mission is to provide an environment that supports individual, collective, and institutional training, as well as provide training facilities and selected installation services for the total force, especially U.S. Army Reserve components.
The objective of this project is to install or replace sidewalk improvements including pedestrian ramps and curbs in locations as shown on Exhibits “A” through “C” to serve the PRFTA Barracks areas.
All proposals received MUST include the minimum requirements set-forth in this statement of work in addition to providing AS-built drawings in AutoCAD format (auto-cad *.dwg file) at the completion of the project to be considered for evaluation and award. In no case will proposals be accepted to allow for inclusion of betterments or enhancements after final layout has been approved by the government. Betterments and enhancements will not be considered unless the proposal meets the minimum requirements set-forth in this statement of work. Offerors are encouraged to review this statement of work to familiarize themselves with all of the requirements and available options and alternatives included herein.
The primary consideration of this solicitation is obtaining the minimum requirements set forth for construction in this project. Due to the specialized nature of certain components requested and/or required for this project, these specifications, in some instances, refer to various components by trade or manufacturer’s name. Whenever a proprietary (trade) name is used within this Specification Section, it is used to describe a standard of required function, dimension, appearance, fabrication, materials, finish and quality. References to materials by trade name, make, or model number shall not be construed as limiting competition.
DESCRIPTION OF WORK AND SERVICES:
The Contractor shall supervise and direct the work, using qualified labor and proper equipment for all tasks. Safety of the Contractor’s personnel and equipment is the responsibility of the Contractor. The Contractor shall obtain all permits necessary to complete the work. The Contractor shall be responsible for determining required permits to perform under the contract. All necessary permits shall be verified by the Directorate of Public Works.
The Contractor shall be responsible for taking corrective action for any notices of violations issued as a result of the Contractors or any subcontractors’ actions or operations during the performance of this contract. Corrections for any such violations shall be at no additional expense to the Government.
The Contractor shall be responsible for control of pedestrian and vehicular traffic in the work area limits for this project. The Contractor shall provide flag persons, signs, equipment and other devices necessary to meet Federal, State and local requirements.
This project will require work adjacent to a Federal Correctional Institution. Communications and/or interaction with inmates is strictly prohibited. All contractors will be briefed on this policy during the preconstruction meeting and will be required to sign a Memorandum of Understanding prior to commencing any work. Contractors found to be engaging in prohibited contact with inmates or violating the terms of the MOU will be subject to investigation with the possibility of prosecution to the fullest extent of the law.
The Contractor shall be responsible for providing PRFTA with a finished product in accordance with all applicable Federal (especially DOD, Army, and Army Corp of Engineers (USACE)), State of California, and local regulations, requirements and regional standards to include ADA and CA Title 24. A complete and usable product shall be available upon completion of this project. The Contractor shall submit matters of interpretation of standards to the appropriate administrative agency for resolution before starting work.
It is expected that the professional contractor will understand the job as intended and complete the job as intended per standard codes. The professional contractor is expected to identify all possible issues involved with completion of the intended outcome. All numbers are for descriptive purposes and all measurements relevant to the forming of a submittal should be independently verified by the contractors providing submittals. A line item bid and timeline with milestones will be required. The contractor shall provide all supervision/quality control, labor, equipment, materials and transportation to safely complete the project described herein and in accordance with the contract documents.
The work effort shall include but not be limited to:
1.All necessary precautions including but not limited to dust barriers, appropriate methods of demolition and daily removal of debris from the job site shall be performed to ensure the site remains clean and safe. The dumpsters on base shall not be used for job related refuse unless a specific provision has been made by PRFTA.
2.Contractor shall ensure all demolished material is disposed of properly and recycled where possible. Contractor is required to provide PRFTA with certificates of disposal and or recycling (weight tickets and descriptions of material taken to landfills and details related to the manner in which specific material is recycled). All excess material is to be removed in a manner that avoids spillage into storm drain catch basins and creeks.
- The Contractor shall remove approximately 18,665 SF of existing AC walkways in the vicinity of Barracks Buildings 360-364 and 390-394, Barracks Buildings 301 and 302, and on the west side of Davis Ave. as shown on attached Exhibit “A”.
- Contractor shall construct new PCC sidewalk, variable widths as shown on attached Exhibits “B” and “C”. Contractor shall take care to protect existing curb on Davis Avenue. Contractor shall construct new PCC curb on 10th Street between Davis Ave and Cromwell Ave.
- Contractor shall construct 5 new ADA and CA Title 24 compliant pedestrian ramps with truncated domes (Armor-Tile or approved equal), color to be determined by COR and DPW. Ramp locations per attached Exhibit “B”.
- Contractor shall saw-cut and remove existing AC between the driveways of the parking area on Davis Ave and construct new PCC sidewalk with curb as shown on Exhibit “C”. Curb height shall match existing on Davis Ave.
- Contractor shall construct two (2) thirty (30) foot wide concrete driveway aprons with ADA compliant crossings at the existing parking area off Davis Avenue as shown on Exhibit “C”. Driveway aprons shall be a minimum of 6 inches thick, shall include #4 rebar @ 18” o.c., both directions and weakened plane joints evenly spaced at 1/3 and 2/3 points. 99% Compaction required.
- Contractor shall construct new 5 foot wide PCC sidewalk from 8th Street to edge of pavement at B670 parking area, location generally as shown on Exhibit “B”. Final alignment to be determined by COR prior to construction.
- Contractor shall paint red all new curb on 10th Street and new and existing curb on Davis Avenue between 10th Street and 8th Street.
SUBMITTALS REQUIRED: