Specifications_31_01_10_0003.pdf
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- Attached to
- BROCK RESERVOIR GATE REPLACEMENT/REPAIRS Federal contract opportunity
- Solicitation number
- 140R3026R0004
About this file
This is a specification section (31 03 10 - Control of Water) for Amendment No. 003 of the Warren H. Brock Reservoir Gates Replacement project under the Colorado River Front Work and Levee System Project in California.
The section establishes requirements for temporary cofferdam installation and water leakage control at the Drop 1 gate in the All-American Canal, which leaks water when closed. The temporary cofferdam work is compensated on a lump-sum basis per Price Schedule A, with the price including replacement of stop log seals. The contractor must submit a water control plan (RSN 31 03 10-1) describing the proposed method for controlling leaks from the Drop 1 gate during construction and measures to meet permit requirements and water quality standards per Section 01 57 30. Key site conditions include coordinate requirements with the Government, notification 14 days prior to cofferdam installation, and work completion within an outage period defined in Section 01 14 00. The contractor must control leakage from the Drop 1 gate prior to removing and replacing slide gates and drain the Drop 2 Inlet Canal before installing leakage control measures. Pre-cofferdam preparations require removal of rock fragments, lumber, metal, and other debris to prevent washout through outlet works. Upon completion, the contractor must remove or level the temporary cofferdam and protective works in a manner approved by the Contracting Officer's Representative; removed materials remain contractor property and must be disposed of per Section 01 74 00.
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Text version
Warren H. Brock Reservoir Gates Replacement Amendment No.003 Colorado River Front Work and Levee System Project, California Solicitation No.
Revised Control of Water
31 03 10 -1
SECTION 31 03 10
CONTROL OF WATER
PART 1 GENERAL
1.01 MEASUREMENT AND PAYMENT
A. Temporary Cofferdam
1. Payment: Lump-sum price offered in Price Schedule A.
a. Includes replacing stop log seals.
1.02 SUBMITTALS
A. Submit the following in accordance with Section 01 33 00 - Submittals.
B. RSN 31 03 10-1, Water control plan:
1. Describe proposed method controlling leaks from gate at Drop 1 during construction and measures to be taken to meet permit requirements and water quality standards required in Section 01 57 30 - Water Pollution Control.
1.03 SITE CONDITIONS
A. Gate at Drop 1 in the All-American Canal leaks water when closed.
1. See Drawing 423-D-60237 for location of Drop 1 gate.
2. Stay within limits shown on Drawing 423-D-60238.
3. Coordinate closing of gate with Government.
4. Notify Government 14 days prior to cofferdam installation.
5. Work to be completed in outage defined in Section 01 14 00 – Work Restrictions
PART 2 PRODUCTS
Not Used
PART 3 EXECUTION
3.01 PREPARATION
A. Control leakage from Drop 1 gate prior to removing and replacing slide gates.
B. Drain the Drop 2 Inlet Canal prior to installing Drop 1 leakage control measures.
Warren H. Brock Reservoir Gates Replacement Amendment No.003 Colorado River Front Work and Levee System Project, California Solicitation No.
Revised Control of Water
31 03 10 -2
3.02 PROTECTION
A. Remove rock fragments, lumber, metal, and other solid debris materials prior to cofferdam, and prevent such materials from being washed through the outlet works.
B. Approved protective works may be required at the entrance to keep the outlet works free of debris.
3.03 CLEANUP AND RESERVOIR REGULATION
A. Remove or level temporary cofferdam and protective works in a manner approved by the
COR.
1. Removed materials remain property of the Contractor.
2. Dispose of removed material in accordance with Section 01 74 00 – Cleaning and
Waste Management.
END OF SECTION
| 01 46 00 - Quality Procedures |
| 31 03 10 - Control of Water |
File details come from the government source that posted it. Updated .