QUESTION(4).doc

QUESTIONS:

1. Question: Does Section 35 20 14 Stoplogs, supersede the Spec’s in other Sections and the

Drawings?

2. Question: Section 05 50 15 2.1.2.2 f. (1)&(2) Seal plates, Bars, and retainers etc. (basically ) to be steel, blasted, and painted.

And Sec. 35 20 14 2.3.8 calls for Stainless steel. Please advise.

3. Question: It states in Sec. 35 20 14 2.3.8 stainless steel is to be used for retainer, spacer bars, and fasteners, please verify, we are confused with what on this project is stainless and what is steel painted

4. Question: section 05 50 15 2.1.2.2 a Gate Rollers, Wheel shafts ……-ASTM A 564?A 564/M UNSS17400 this is stainless steel. In your Answer #5 you stated can be stainless, If it’s not “shall be” where is the Current spec’s for not using stainless, the spec on drawing for the shaft materials non- existent. Same for Gate Rollers?

5. Question: Drawing M14 shows stoplog “Elevation Upstream” and “Section Y” The Tee beams are not available. Would have to Split a S24 x 80lb or W x 84lb. or what you decide. The net size measurements would not work out, to you old drawing.

Please advise.

6. Question: Site unloading; would that intail anything more than one staging, picking off the truck and short swing to set on blocking?

7. Question: The Bearings do not come with Brass or Bronze cages, steel only. Please advise.

8. Question: Lock plate for shaft. It calls for 125 finish do you want this to be stainless or steel. If steel do you want it painted.

9. Question: Drawing M17, Detail “B-1” we do not understand Mk 113/M-18 Dowel and find no other reference to it or how many

10. Question: Do you have a total weight on file?

ANSWERS:

Question 1: Section 35 20 14 does not supersede other sections. Generally, specs supersede the drawing.

Question 2 and 3. Fasteners should be stainless steel. Retainer bars and seal plates should be steel.

Question 4. The shaft shall be stainless. There are no rollers. Wheels, vs. rollers are addressed in section 2.1.5 of 05 50 15.

Question 5. The contractor is responsible for determining how to meet the drawing requirements. Please explain why splitting a S24x80lb will not work, recognizing that a little less than half of it will be scrapped?

Question 6. The site unloading will be in a storage yard.

Question 7. SKF can provide the bearings with brass cages. However, steel is acceptable

Question 8. The lock plate should be painted structural steel.

Question 9. The dowel shown on Detail B-1 is not referenced elsewhere on the drawing. Its purpose is to keep the seal bar aligned during welding. Doweling is not required provided the alignment of the seal bar can be maintained

Question 10. We do not have a total weight on file.