Industry Questions answered LOX Relocation Storage.pdf

Solicitation # W50S9321R0006

Relocate LOX Storage Farm

Questions Received from bidders as of 2-24-21:

1. What is the construction type of the current structure that needs to be demolished?

Concrete columns, walls, and metal roof structure.

2. Where are the details for the proposed fence?

Refer to attachment no. 1

3. Lox container bed details (pad details)

Refer to SOW paragraph 5.4

4. Access hours

Refer to SOW paragraph 1.4.4

5. What is the buried depth required for the 230LF of new PVC SCH 40 electrical conduit?

Conduit installation shall comply with NEC and USGS minimum depth installation requirement. Refer to attachment no. 2

6. Are payment bond and performance bond applicable to this project?

Answer: None necessary

7. Please specify the existing thickness of the concrete slab where the oxygen tank will be relocated? Does this concrete slab have to be demolished to create a new slab foundation or footings to this tank?

No information available. No demolition required. Contractor is responsible to coordinate tank relocation and anchorage system with oxygen tank supplier.

8. Please specify the existing thickness of the concrete slab in the original location where the oxygen tank is currently located?

No information available

9. What is the final height of the new fence to be installed and its specifications? Please specify concrete details for any pole foundation.

• Refer to attachment no. 1 and SOW paragraph 5.2

10. Do construction materials must comply with the Buy American Act?

• Answer: Yes it shall

11. If available, please provide drawings, distances and location of the luminaries and receptacles and electrical panel or others.

Refer to attachment no. 2

12. Provide product information and specifications of new luminaries mentioned in scope of work (e.g. lumens, color, etc.)

Refer to attachment no. 2

13. Please provide specifications of the new electrical panel. (e.g. Nema 1, Nema 3r, Number of circuits)

No distribution panel will be required. Refer to attachment no. 2

14. What does "joint sealant replacement" refer to or covers? Are you referring to the snap cap or removing the whole joint?

Existing concrete joint sealant at new location area shall be replace with compatible liquid oxygen joint sealant non‐petroleum based

15. On the existing fence pole to be demolished, does the post should be cut at the slab surface level or demolitions should include the concrete footing or base be removed completely? If it remains at slab surface level, please specify the filling product? If demolitions include footing or base, please specify surface area to be cut and depth of demolitions. Please specify concrete details to repair this hole.

Concrete walls, columns and chain link fence posts shall be demolish two inches below existing surface and fill with cement grout flush with existing floor slab

16. Please specify demolitions details for columns like pole footings or base removal or if they should remain at concrete slab surface level. Please specify product information to fill holes and/or repair slabs affected due to demolitions.

Refer to response no. 15

17. Please provide any details or drawings for existing concrete joints including the depth of those joints. Please provide or specify how many lineal feet of concrete slab should be repaired on existing and new construction areas.

Refer to response no. 14. Assume 200 LF

Reference no. 1

Reference no. 2

UNDERGROUND CONDUIT

ABOVEGROUND CONDUIT

WP

ELECTRICAL LEGEND

DUPLEX RECEPTACLE 18” HIGH, 20 A, 120V, GROUNDING

TYPE, EXPLOSION PROOF (EX), WEATHERPROOF (WP)

60W 5000K LED CEILING OUTLET, EXPLOSION PROOF (EX)

SINGLE POLE SWITCH 4’‐6” HIGH, 20A, 120V, EXPLOSION

PROOF (EX)

6X6 JUNTION BOX EXPLOSION PROOF (EX)

BRANCH CIRCUIT CONCEALED IN CEILING

BRANCH CIRCUIT CONCEALED IN WALL

S

WP WP

C-2

TO JUNTION BOX

1” NEW SCH 40 CONDUIT TO EXISTING

DISTRIBUTION PANEL AT TRANSFORMER 75KVA

C-1

TO JUNTION BOX

S