FA4418-17-R-0005,_Repair_Various_Sewer_Lift_Stations_-_Questions_and_Answers.pdf

FA4418-17-R-0005

Repairs for Various Sewer Lift Stations

Questions and Answers

Question 1: For lift station T-2, please confirm we are using the existing meter pole again for the new electric meter – no new pole will be required and the old pole will not need to be demoed?

Answer 1: Yes, you will be using the existing meter pole, no new pole will be required nor the old one demoed.

Question 2: Station 3678 requires new bypass connection. No existing bypass connection or associated vault, piping, etc. is shown on the plans or located in the field and no design for new connections was included in the places. Please provide design drawing for the new connection.

Answer 2: The bypass connection is shown on Drawing Sheet CS-502, Detail 7.

Question 3: Please provide a profile for the new force main associated with station T-2 showing utility crossings for the work.

Answer 3: The profile is shown on Drawing Sheet CS-501A. Utilities not shown will be identified during the JB Charleston dig permit process.

Question 4: What are the limits of the QC/SSHO if we choose to work at 2 separate Lift Stations at the same time? Will we need to provide a separate QC/SSHO for each job site, or will we be able to have 1 individual that can be responsible for both sites?

Answer 4: There will have to be two separate individuals filling those roles if you chose to work at two separate lift stations at the same time.

Question 5: Only 1 Station (1683) has an existing fence. Does the government wish to provide permanent fencing for the other stations?

Answer 5: No.

Question 6: Bypass pumping will require the ability to maintain on a 24/7 schedule. Will the contractor be given 24/7 access?

Answer 6: Yes, they will be given 24 hour access as required.

Question 7: Will 24/7 remote monitoring of the bypass pumps be required?

Answer 7: No, the base does not have 24/7 remote monitoring capability at this time. JCI is only able to monitor the SLS 1683 during normal working hours. The other SLSs are not connected to a monitoring system, they only have local annunciation.

Question 8: Will bypass systems be a required to have standby pumps in case of mechanical failure?

Answer 8: Yes, to prevent a possible DEHC fine, in the event of a possible equipment failure.

Question 9: Will sound attenuation be required on bypass pumps?

Answer 9: Yes, with a sign identifying a POC and phone number.

Question 10: Sewer Lift Station 1683, Existing power is coming in from overhead. Will we need to reroute new power to underground?

Answer 10: The existing power is delivered to the lift station from the pole underground. No change to that will be required.

Question 11: Sewer Lift Station 958, Station is located on a base jogging trail. Will this trail be our access road, and will we be able to block access to non-construction personnel?

Answer 11: Yes, yes with public notification.

Question 12: Sewer Lift Station 958, what are the fencing requirements for the worksite?

Answer 12: Specification Section 01 50 00, pg. 4, paragraph 2.2.3 states, Provide fencing along the construction site at all open excavations and tunnels to control access by unauthorized people.

Question 13: Sewer Lift Station 1684, the temporary bypass will need to be run to the manhole on the other side of the street. This will require a road closure. Will we be able to close this road for the time we are at the site?

Answer 13: Yes, with the proper Road Closure notification routed though Customer Service.

Question 14: Sewer Lift Station 1684, the existing inlet pipe size for this station is different from the size that is on the plans. Please advise.

Answer 14: Maintain existing pipe size.

Question 15: Sewer Lift Station 3678, 2 of the existing manholes that are shown on the plans were not located on the site visit. Please advise.

Answer 15: CE will help locate the manholes, as required, via Dig Permit.