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Standards & Specifications
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General Specifications
Sewer Specifications
Storm Drain Specifications
Water Main Specifications
Design Standards
Detail Sheets
OCDC Manuals
General Specifications
General Conditions (file size 381kb)
Defines terms of the Contract, Contractor's, Engineer's, Inspector's and Owner's responsibilities under the Contract. General requirements of the Contract, project sign, insurance requirements and changes to the work.
General Specifications (file size 84kb)
Describes work which may be performed or required for the construction of storm drains, sanitary sewer or water main projects. Topics include excavation, trees, final restoration, public and private utilities, easements, Engineer's and Inspector's field office and maintenance and restoration of road surfaces.
Materials - Concrete (file size 69kb)
Describes requirements for mix design and placement of concrete, tests, formwork, material requirements and cold weather precautions.
Audio-Video Recording of Construction Areas (file size 30kb)
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Sewer Specifications
Directional Drilling Specification (file size 38.5kb)
OCDC specifications for directional drilling low pressure sewer systems.
Low Pressure Sewer Specifications (file size 86.5k)
OCDC requirements for all proposed low pressure wastewater systems tying directly or indirectly into an OCDC owned or operated system.
Materials - Sanitary Sewer Pipe (file size 73.5k)
OCDC approved pipe materials to be used in any proposed wastewater system tying directly or indirectly into an OCDC owned or operated system.
Open Cut Sanitary Sewer (file size 265k)
OCDC requirements for all proposed gravity wastewater systems tying directly or indirectly into an OCDC owned or operated system.
Prefabricated Grinder Pump Station Specifications (file size 29k)
OCDC specification for installing individual grinder pump stations.
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Storm Drain Specifications
Materials - Storm Drain Specifications (file size 37.5k)
Open Cut Storm Drain Specifications (file size 125k)
Open Drain Specifications (file size 51k)
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Water Main Specifications
Detailed Water Main Specification (file size 54k)
Describes specifications on (1) Ductile Iron Pipe - including lining, joints, fittings, laying pipe (2) Reinforced Concrete Pipe - including pipe and fittings, tapping outlet, laying pipe, anchorage, and encasement (3) Hydrants, and (4) Gate Valve and Wells.
General Water Main Specification (file size 78k)
Describes specifications in the following areas (1) General (2) Method of Construction (3) Basis of Payment (4) Material Testing (5) Excavation (6) Bedding and Backfilling (7) Thrust Blocks (8) Anchorage and Encasement (9) Unloading pipe (10) Hydrostatic Tests (11) Chlorination (12) Tunneling.
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Design Standards
OCDC Engineering Design Standards for Storm Water Facilities (file size 1.79 mb)
Design Criteria - Sewer (file size 86 kb)
Design Criteria - Well House (file size 295 kb)
These Standards are intended to serve as a guide in the design and preparation of Well House plans and specifications operated and maintained by the Oakland County Drain Commissioner.
Design Criteria - Water (file size 88 kb)
These Standards are intended to serve as a guide in the design and preparation of Water System plans and specifications operated and maintained by the Oakland County Drain Commissioner.
Requirements for Changing Elevation of Manholes (file size 164 kb)
Procedure by which changes to the elevation of the rim of any sanitary and/or combined sewer manhole are submitted, permitted and inspected.
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Detail Sheets
Please check for the latest revision every time these standards are used.
Forcemain/Pressure Sewer Interior Drop (file size 186k)
Soil Erosion Detail Sheets (file size 1.7M)
Standard Monitoring Manhole (file size 172k)
Well House Design Standard (file size 370k)
Also available are: Storm Drain Detail Sheets, Sanitary Sewer Detail Sheets and Water Main Detail Sheets that list requirements for the systems operated and maintained by our office.
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OCDC Manuals
Lake Improvement Board Manual
As an aid for the Lake Improvement Boards established in Oakland County, the Drain Office created this manual to guide the Lake Improvement Board Members through the lake improvement board process. Note: Clicking on the various tabs will take you to the section of the manual that you need.
Standard Requirements for Establishing a Chapter 18 Drain
Standard requirements for establishing a private drain as a county drain in Oakland county communities under Chapter 18 of the Michigan Drain Code of 1956.
Not available electronically, please call 248-858-0958.
Soil Erosion Manual
OCDC Soil Erosion Manual - April 2008
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