Cambridge_Contractors_Questions.docx

Cambridge Questions

1. The general Site map needs to be moved to the end with all of the other maps? General Site Map is located between section 01 11 00 – 4 and section 01 30 00.00 23 – 1

2. Are the quantities provided correct? (see specification 35 41 00 paragraph 1.1.1)

3. Will the pipe be delivered and unloaded? Pipe will be offloaded and stored in close proximity to the site.

4. What are the specs for the pipe? (see drawing C-2 paragraph 3)

5. Can the sand envelope around the pipe be larger? IE what is min/max? (18” minimum with approximately 36” maximum)

6. What is the slope? Will safety slopes be acceptable? (1.5 Horizontal: 1 Vertical)

7. Is any compaction test of the pipe area required? (Yes)

8. How does the pipe fit together? (The pipe is gasketed with bell and spigot ends. Contact the manufacturer for installation instructions)

9. What is the weight of each section of pipe? (Contact manufacturer)

10. Please list the name of the pipe manufacturer. Pretech Pretcast Concrete Technologies, 8934 Woodend Road Kansas City, KS 66111 phone# 913-441-4600

11. Does the headwall have to be cast in place? (Yes)

12. Will blankets be required for cold placement of the headwall? Weather Dependent.

13. Please include verbiage in regards to the new crane safety requirements.

The Contractor is directed to the following web site for crane and rigging safety requirements. http://publications.usace.army.mil/publications/eng-manuals/EM_385-1-1_languages/EM_385-1-1_English_2008/EM_385-1-1_English_2008_initial.pdf

14. There are issues with the smooth steel pipe coming from the field… The interior ssp will not be installed through the tail-wall. It will be installed to the west of the new tail-wall.

15. If the soils are too soft to support the rcp at subgrade will a change order be given to correct the soil bearing capacity? See special clause 52.236-2 Differing site Conditions in the solicitation.

16. Will pre-cast headwalls be allowed? (No)

17. Will any soil compaction testing be required? (Yes)

18. Will any concrete testing be required? Please find the correct specifications in Amendment 0002.

19. The ssp that is to be poured into the upstream headwall is approaching the headwall at a skewed angle. How do you propose to reuse the existing clamp-on flapgate on the end of it now? The interior ssp will not be installed through the tail-wall. It will be installed to the west of the new tail-wall.

20. Does drawing C-3 showing sand around the pipe represent the minimum amount of sand required or does the circular shape have to be installed? (18” is the minimum)

21. Will the sponsor off-load and properly store the 54" rcp? Yes on site.

22. Would you provide a product data sheet for the rcp showing dimensions and piece weight? Contact manufacturer phone number 913-441-4600

23. Is it acceptable to safety slope the pipe installation so shoring will not be required? (see previous)

24. 10. 35 41 00, Levee Repair, paragraph 1.2.2 says there is 0.20 acres of seeding to cover what is described as 8180 lnft of seeding. I thought it was stated at the meeting that the average seeding width was 10' which would make close to 2 acres of seeding plus a larger area at the pipe installation area. Would you clarify how the 0.20 acres was determined? Total seeding 2.3 AC

25. The plans say that the RCP will be supplied by others. Will the pipe be delivered to the job site? Who will be responsible for unloading the pipe? Will be offloaded and close proximity to construction site.

26. For clarification, it is the intent of the USACE that this work be completed this year, correct? Standard bad weather clause will apply within contract time limit.

27. In regards to the Bid Item Sheet, if site conditions change significantly, will the contractor be eligible for an increase in quantity and payment? See special clause 52.236-2 Differing site Conditions in the solicitation.

28. The stockpile on site did not appear to be large enough for the amount of embankment needed. Can you please clarify where additional material may be obtained if there is not enough onsite? Or will this be handled as a differing site condition? Talked to Mr. Haake and stated Capitol Sand Company has a facility in Glasgow less than 3 miles in distance.

29. Will we need to obtain any special Rail Road permits or crossing permission to access the job site? For any and all questions regarding railroad permits and/or crossing liability please contact Kansas City Southern Rail Road.

30. Can you please clarify the actual length of the levee that will need to be reworked? Will it be between the two stakes that you have onsite? Refer to specs for work to be addressed. Staking will be done once before construction.

31. Will we need to obtain any special permits (404, etc) for this project? Also, what is the estimated time of approval on these permits due to the timing of the project? No Additional Permits