RFI 001 prebid responses SYR VA Garage pdf format 02.pdf

RFI #001

Date: 5/2/23 Project: Repair Garage Slabs and Beams, Syracuse VA Medical Center Syracuse, NY

QUESTION(s):

1. For all post tension repairs, please advise if Post-Tensioned Institute Certification Level 1 is required.

• Response: Refer to page 01 45 35-5 of the contract specifications. Special Inspector shall have a PTI Level 2 Unbonded PT Inspector Certificate or a Registered Professional Engineer with related experience. An Associate Special Inspector shall have a PTI Level 1 Unbonded PT Inspector Certificate with one year of related experience, or EIT with one year of related experience. Refer to paragraphs E and F of specification 01 45 35-2, 1.4.

2. For all traffic coatings installation, please advise if contractors must be approved qualified installers by the manufacturer and how many years of experience is required.

• Response: Contractor must be approved as a qualified installer by the manufacturer.

3. For the slab on grade repairs, please advise to the type of reinforcement required as none is shown on the details on drawing S-301.

• Response: No reinforcement required. Provide joint reinforcement per B1 & B1a S-301.

4. For the topping slab replacement on detail C3/S-302, please advise of the type of reinforcement required as none is shown on detail.

• Response: Topping slab is unreinforced.

5. For detail B4/S-301, PT Concrete Beam Repair, the existing conditions in the field vary from the existing detail, the repairs needed in the field are at the mid span of the beam, where most likely the PT Tendons will be at the lowest part. These repairs might need extensive shoring.

Please advise if the shoring will be address by change order on a as needed basis.

• Response: Shoring to be provided on an as needed basis.

6. During the pre-bid meeting, it was stated that the existing coating on the 1st Level, would have to be removed, please advise if a full removal is required or if a re-coat suffices, the re-coat will also get the required 5-year warranty per specs. There is no mention on the bid documents of any existing membrane.

• Response: Existing Level 1 Striping Plan, detail G4/B-112, note 1 states “Remove Existing Urethane Membrane on All Drive Surfaces”.

7. Under the Bid Concrete Repair Quantities Table on Drawing S-301, work item for Beam Repair – Reinf. Steel for 500 LBS, please provide detail and description of the scope of work.

• Response: This is an allowance for replacement rebar as required per A2/S-301 note J.4.b. Refer to attached JD-S1 defining rebar splicing.

8. For all the repairs at the 1st floor level directly above Van Buren Street, please advise who will be responsible for road closures as required. Also, if road closures are on the contractors, advise if the costs will be as needed thru change orders, or should the contractors carry an allowance towards the road closures.

• Response: The contractor shall be responsible for all costs associated with road closures and shall coordinate road closures with the City of Syracuse. Refer to https://www.syr.gov/Departments/Central-Permit-Office , and contact the city permit office at 315-448-8600 for fees and requirements for temporary road closures.

Attachment:

1. JD-S1

https://www.syr.gov/Departments/Central-Permit-Office

A1

S-302

B1

S-302

D:RPDET1104

WELD SPLICE DETAIL AND TABLE

NO SCALE

SECTION PLAN DETAIL

C

C

C

C

NOTES:

1. ELECTRODE E70XX

2. WELDING TO CONFORM TO ANSI/AWS D1.4 WELDING OF REINFORCEMENT REQUIRES A

PREHEAT OF 300° F FOR #6 BARS AND SMALLER AND 400° F FOR #7 BAR AND LARGER.

3. STEEL ANGLE..............................ASTM A36.

4. MECHANICAL COUPLERS MAY BE USED IN LIEU OF WELDED SPLICES WHERE FEASIBLE.

5. MINIMUM 1" CONCRETE COVER OVER ANGLE.

SEE TABLE

NEW BAREXG. BAR

SEE

TABLE

SEE

TABLE

ANGLE, SEE

TABLE OF SIZE

SPLICE TABLE

1/4" x 2 1/2" x 8"

BAR ANGLE SIZE WELDS

ALTERNATE

STEEL PLATE

#4 L 2x2x3/8 x 8" LG

1/4 3

1/4" x 3 1/2" x 8"#5 L 2x2x3/8 x 8" LG

3/8 3

3/8" x 3 1/2" x 8"#6 L 2x2x3/8 x 8" LG

3/8 3

7/16" x 4" x 10"#7 L 3x3x7/16 x 10" LG

3/8 4

1/2" x 4 1/2" x 12"#8 L 3 1/2x3 1/2x1/2 x 10" LG

3/8 4

1/2" x 5" x 12"#9 L 3x3x1/2 x 12" LG

3/8 5 1/2

SEE TABLE

FOR SIZE &

LENGTH

D:RPDET1105

CONCRETE REINFORCING BAR LAP TABLE

NO SCALE

REINFORCING BAR LAP TABLE

BAR SIZE LAP d

#3

#4

#5

#6 28 in.

24 in.

19 in.

16 in.

BAR SIZE LAP d

#7

#8

#9

92 in.#10

54 in.

48 in.

42 in.

05-08-2023DATE:

DRAWING No.

JOB No.: 221152.00 DRWN. BY: CHKD. BY: EN DETAIL No.: A1/B1FROM SHEET: S-302

JOB DETAIL

JD-S1

sdb

JOHN P. STOPEN

ENGINEERING, LLP

P.O. BOX 29, SUITE 400

SYRACUSE, NEW YORK 13201

450 SOUTH SALINA STREET

(315) 472-5238 FAX (315) 472-8430

NEW REBAR SPLICE DETAIL & LENGTH TABLES

FLOORS AND BEAMS

V.A. MEDICAL CENTER, SYRACUSE, NY

REPAIR PARKING GARAGE

V.A. Project # 528A7-22-177 / V.A. Building # 19