02500_STORM_DRAINAGE__SEDIMENT_CONTROL.rtf

02500-1

SECTION 02500

STORM DRAINAGE AND SEDIMENT & EROSION CONTROL

1. GENERAL:

1.1 Provide all labor, materials, equipment and services necessary for and reasonably incidental to the execution and completion of storm drainage and the preparation of sediment and erosion control plans.

2. APPLICABLE PUBLICATIONS: The publications listed below form a part of this specification to the extent referenced.

2.1 The work under this Section shall be in accordance with the applicable portions of COMAR 26.09.01 (Erosion and Sediment Control) and 26.09.02 (Stormwater Management)

2.2 The Maryland Department of Transportation State Highway Administration's Standard Specifications for Construction and Materials," dated July, 2008, including the latest errata and addenda thereto, referred to herein as the Maryland State Specification, except as may be modified herein.

a. All references to "Engineer" or "Administration" shall be interpreted to mean "Contracting Officer" or "Government," respectively.

3. MATERIALS:

3.1 Material for pipe shall meet the requirements of section 905 of the Maryland State Specification.

3.2 Material for rip rap stone shall meet the requirements of Section 901 of the Maryland State Specification.

3.3 Material for filter fabric shall meet the latest revisions to Section 921.09 GEOTEXTILES, of the Maryland State Specification. This includes the State “Guidelines for Selecting Geotextiles”.

3.4 Material for silt fence shall meet the latest revisions to Section 921.09 GEOTEXTILES, of the Maryland State Specification.

3.5 Calcium chloride shall be in accordance with latest revisions to section 921.02 MOISTURE AND DUST CONTROL AGENTS, of the Maryland State Specification.

3.6 Straw bales shall meet the requirements of Section 921 of the Maryland State Specification.

4. CONSTRUCTION METHODS:

4.1 Storm drainage shall be installed in accordance with Sections 302 and 303 of the Maryland State Specification.

4.2 Rip Rap installed over filter fabric shall be in accordance with Section 310 of the Maryland State Specification.

4.3 All soil erosion and sediment control work shall be in accordance with the latest Maryland Standards and Specifications for Soil Erosion and Sediment Control.

5. SEDIMENT AND EROSION CONTROL PLANS:

5.1 This includes all work necessary for preparing soil erosion and sediment control designs and plans, and obtaining approval of the State of Maryland Department of the Environment (MDE), the APG Directorate of Safety Health and Environment (DSHE), and if necessary the Forest Conservation District.

5.2 DRAWINGS AND GIS:

5.2.1 Drawings shall be a digital CADD file delivered in Microstation (.dgn) file format.

5.2.2 Point of contact for GIS is Mr. Greg Kuester, phone (410) 306-1145.

5.3 CONTROL DATA & COORDINATE SYSTEM:

5.3.1 All work shall be tied in to APG coordinate system (UTM), WGS84 Datum.

5.3.2 Point of contact for mapping coordinates is Mr. Gene Burchette, phone (410) 278-2427 or (410) 278-3527.

6. MEASUREMENT AND PAYMENT:

6.1 Measurement and Payment shall be based on the contract unit prices for the items listed.

6.2 Implementation of approved S&E plans will be paid for separately using unit prices of line items listed in the contract.

*END OF SECTION*