Contractor question and answers.docx
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- Attached to
- Combined Underground Utilities and Storm Water Improvements, Moore Air Base, Edinburg, Texas
- Solicitation number
- 12639522R0041
About this file
This document contains questions and answers from the pre-bid period for the Combined Underground Utilities and Stormwater Improvements project at Moore Air Base in Edinburg, Texas. The existing potable water lines that are to be lowered are ductile iron pipe. While fiberglass manholes can be approved for use in the sanitary sewer system under TCEQ regulations, USDA prefers concrete manholes due to durability and longevity. No specific geotechnical report is available for the project. The owner will provide construction water at no cost, with volume limited to ensure water levels are maintained. Regular work hours are 7am to 3:30pm Monday through Friday, though extended hours and weekend work may be approved. The contractor is responsible for complying with stormwater permitting and obtaining erosion control permits, and must submit notices and fees to the TCEQ as required under the construction general permit.
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Moore Airbase - USDA APHIS Combined Underground Utilities and Stormwater Improvements
Pre-Bid Period Q & A
1. Are the existing potable water lines, which are to be lowered, ductile iron pipe? Yes, they are DIP.
2. Can fiberglass manholes be approved for use in sanitary sewer system? Concrete manholes are specified in Section 33 30 00, Sub section 2.05. However, per TCEQ section 217.55, fiberglass manholes are permitted. Under section 01 25 13 of the specifications, there is a Product Substitution Procedure that may be utilized to request substituting a fiberglass manhole in place of a concrete one. USDA prefers concrete manholes for endurance, strength, and longevity, as it will outlast fiberglass, so USDA may not approve substitution request.
3. Please provide the geotechnical report or soil boring logs for this project. No geotechnical report is available specifically for the underground utilities project.
4. Is construction water available from the Owner? If so, what is the cost? Water will be made available by the owner at no cost for this purpose. Water volume may be limited by the base to ensure that they do not drop below their working level.
5. If the Contractor elects to install a sprinkler system to aid in re-establishing vegetation, will water be available from the Owner and at what cost? Water will be made available by the owner at no cost for this purpose. Water volume may be limited by the base to ensure that they do not drop below their working level.
6. What are “regular” work hours for this project? 7am – 3:30pm M-F. Times can be extended and other days and times can be available with proper approval.
TCEQ Requirements (Question from Pre-Bid Meeting)
Sanitary:
Within 30 days of completion of the sanitary sewer system, the contractor shall provide written certification to the Engineer (Stanley Consultants) that all construction materials and equipment used on the project were substantially in accordance with the approved project, the rules of the TCEQ, and any change orders filed with the TCEQ.
Stormwater:
Generally, the Contractor is responsible for complying with the Stormwater Construction Permit.
The Contractor is responsible for obtaining grading and Erosion and Sediment Control Permits. (SWPPP Note 10 – Sheet GG08). Furthermore, the Stormwater Pollution Prevention Plan (SWPPP) (Specification 01 45 33-13) requires the Contractor to comply with the requirements of TPDES General Permit Number TXR150000 relating to "Storm Water Discharges Associated with Construction Activities." This requires the submittal of a Notice of Intent, Fees, and Notice of Termination to the Texas Commission on Environmental Quality (TCEQ).
File details come from the government source that posted it. Updated .