Technical_Specifications_Amended.pdf

TECHNICAL SPECIFICATIONS

PR&C TBD

MAIN UNIT MATERIAL BASKET

1.0 INTENT

The intent of this contract is to purchase a material basket for lowering tools and equipment down the head gate slot at Little Goose Lock and Dam.

2.0 SCOPE

The successful bidder shall be required to deliver a material basket in accordance with the specifications in section 3.0 below to Little Goose Dam by the date shown in Section 7. He shall also provide documentation and other items as stated in the specifications.

3.0 MATERIAL BASKET

The material basket shall have dimensions and general layout as shown on the attached drawing.

The system shall be designed and built to the following requirements:

a. Maximum rated load capacity: 4000 lbs.

b. Approximate weight: 4900 lbs.

c. Approximate dimensions: 46” width x 276” length x 84” height.

d. Basket shall be designed with a minimum 2x Safety Factor.

e. Finished basket shall be load tested to a minimum 110% full load capacity.

f. Fabricated of 0.187” minimum wall thickness and, minimum 2” square Hollow

Structural Sections (HSS) with all edges smoothed. Plate shall have minimum yield strength of 36ksi. HSS shall conform to ASTM A 500 Grade B.

g. Sides enclosed with solid metal from toe board to overhead roof, not completely water proof. The basket shall be designed to allow government personnel to drill the enclosure (not frame) for 3/8” diameter bolt holes. This will allow for field mounting of shelves and hangers for storing equipment to the interior of the basket. See Submittal Section 4.0 for letter giving approval of drilling into sheet metal enclosure.

h. Twelve UHMW guide shoes, eight” square by one inch thick, for guiding basket down the slot. Guides shall be mounted with counter-bored hardware and shim pack that allows future adjustment if required.

i. Two total, two leg sling assemblies of 1/2” 6x36 IWRC wire rope, secured to master link and attached to platform base with swage sockets and clevis pins.

j. Heavy duty floor grating.

k. 7” leveling feet on one side of platform. The leveling feet shall bolt to the platform to allow future shimming if required.

l. Removable access ramp, approximate 10’ wide x 7’ long. Ramp shall be made of approximate 12” wide plank type walkway grating with slip resistant open diamond pattern serrated surface. Grating shall be aluminum or galvanized steel.

Ramps/doors to be built so the ramps can be hung inside the doors.

m. Two 5’ wide doors that swing out with no center post. Provide doors with inset or flush mounted hardware to secure them in the open and closed positions. Hardware shall accept government furnished padlocks.

n. 1” tall Rain gutter mounted on top of roof along on same side of platform as the access ramp.

o. Platform supported by 6” I-beam (or equivalent) main frame.

p. Fork pockets in main frame with security chains.

q. Identification plate mounted on platform. At a minimum, plate shall give manufacturers name and phone number, manufacture date, model number, serial number, capacity, and net weight.

r. Manufactured using AWS D1.1 certified welding procedures.

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s. Electrostatic powder coat finish in safety yellow.

4.0 SUBMITTALS

Items listed below shall be submitted to the Contracting Officers Representative for government approval. The time of submittal shall be as indicated. The submittals will be reviewed by Ms.

Amanda Collins (509-399-2233 x258), Little Goose Dam, 1001 Little Goose Dam Road; Dayton WA 99328. Submittals include:

1. Five days after award - Equipment schematic showing general layout and details of the door, door hinge, UHMW guide mounting, and frame.

2. Five days after award – Provide engineering calculation verifying design meets 2x Safety Factor.

3. Upon Delivery – Provide documentation certifying load test as stated in paragraph 3.e.

4. Upon Delivery - Provide Certified Letter giving government personnel approval to drill the enclosure as explained in paragraph 3.g.

5. Upon Delivery - O&M manual or letter from manufacture stating recommended maintenance and inspection procedures.

5.0 WARRANTY

Each system shall be covered by a minimum one-year warranty on all parts, labor, and workmanship from factory defects.

6.0 SHIPMENT AND DELIVERY

All items shall be delivered FOB to Little Goose Dam within 8 weeks of contract award. The contractor shall be responsible for packing and shipping the components in a manner that will ensure undamaged and complete arrival to Little Goose Dam. No shipments are allowed other than normal business hours of Monday-Thursday 6:30AM-5PM, excluding holidays. Delivery must be made from South side of Dam. North side is not accessible by truck and trailer.

All shipments shall be delivered to:

Little Goose Dam Attn: Craig Kendall 1001 Little Goose Dam Road Dayton, WA 99328

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