Amendement 0012 Revised C-102.pdf

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...\Outfall 008 Remediation\30000 - Planning & Engineering & Design\30DA0 - Plans & Specs\CAD_BIM\_Sheets\Stockpile and Stormwater C

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SHEET NOTES:

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B3 120'0 60'

STOCKPILE STORMWATER CONTROL AND PROTECTION PLAN

SCALE: 1" = 60'

...\Outfall 008 Remediation\30000 - Planning & Engineering & Design\30DA0 - Plans & Specs\CAD_BIM\_Sheets\Stockpile and Stormwater C

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C-102

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SWALE

DRAINAGE

PERIMETER

STOCKPILE

(SEE NOTE 4)

MODIFICATION

CATCH BASIN

AREA

MANAGEMENT

STORMWATER

TEMPORARY

14 12

SWALE

DRAINAGE

PERIMETER

STOCKPILE

4'

1'

PERIMETER DRAINAGE SWALE DETAIL

NOT TO SCALE

DREDGED/EXCAVATED SEDIMENT

SURFACE

STABILIZAED

EROSION

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(SEE NOTES1-4)

WITH 47,000 CY MAXIMUM CAPACITY

MATERIAL STOCKPILE

NORTH PARKING LOT

DIRECTS ALL RUNOFF TO THE MODIFIED CATCH BASIN.

MINIMUM OF 1.5% POSITIVE DRAINAGE PITCH WHICH

1. THE PERIMETER DRAINAGE SWALE SHALL HAVE A

DETAIL NOTES:

:1

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COMPLETED.

CONSTRUCTION AND FULL TURF COVER OF THE STOCKPILE HAS BEEN

THE STOCKPILE MAY ENTER. RESTORE FLOW THROUGH CATCH BASIN ONCE

TEMPORARY STORMWATER MANAGEMENT AREAS SO THAT NO RUNOFF FROM

4. DURING CONSTRUCTION, MODIFY THE EXISTING CATCH BASINS WITHIN THE

REFER TO SPECIFICATIONS SECTION 02 24 50 FOR ADDITIONAL INFORMATION.

MANAGEMENT AREA AS NECESSARY TO MITIGATE ALL ANTICIPATED FLOWS.

CONTRACTOR MAY ADJUST THE GRADES AND SIZES OF THE STORMWATER

AREA PLANS TO BE SUBMITTED BY CONTRACTOR AND APPROVED BY COR.

DRAINAGE SYSTEMS INDICATED ON THIS SHEET. STORMWATER MANAGEMENT

THE STORMWATER MANAGEMENT AREAS TO THE EXISTING CATCH BASINS AND

STABILIZED/PROTECTED FROM EROSION (TOPSOIL AND SEEDED), CONNECT

THE STOCKPILE IS COMPLETED AND THE FINAL SURFACE HAS BEEN

OFF OF THE CAUSEWAY AS SHOWN ON SHEET G-102. AFTER CONSTRUCTION OF

PROCESSED/TREATED IN THE WATER TREATMENT SYSTEM, AND DISCHARED

DURING CONSTRUCTION SHALL BE COLLECTED IN THE BASIN,

TEMPORARY DETENTION BASIN DURING CONSTRUCTION. STOCKPILE RUNOFF

3. STORMWATER MANAGEMENT AREAS SHALL BE CONSTRUCTED AS A

STOCKPILE RUNOFF.

COMPLY WITH PERMIT REQUIREMENTS OF COLLECTING ALL UNCAPPED

COLLECTION SWALE IMMEDIATELY AFTER SLOPE/SWALE CONSTRUCTION TO

SPECIFICATION SECTION 01 57 23, ON THE SIDE SLOPES BELOW THE

CONTRACTOR SHALL LOAM AND SEED, OR USE PLASTIC SHEETING PER

MAINTAIN POSITIVE DRAINAGE AS THE STOCKPILE HEIGHT GROWS.

ADJUST THE PERIMETER SWALE AS NEEDED DURING CONSTRUCTION TO

SHOWN REPRESENT THE MAXIMUM STOCKPILE DIMENSIONS ALLOWED. FIELD

REMAIN IN PLACE BOTH DURING AND AFTER CONSTRUCTION. THE STOCKPILES

STOCKPILE TO THE STORMWATER MANAGEMENT AREA. THE SWALE SHALL

SWALE TO COLLECT AND DIRECT STORMWATER RUNNOFF FROM THE

STORMWATER MANAGEMENT AREAS. CONSTRUCT A STOCKPILE PERIMETER

2. STOCKPILES TO BE GRADED TO SHED WATER TOWARDS TEMPORARY

FOR SEEDING STABILIZATION.

02 55 00. MAXIMUM HEIGHT OF STOCKPILES INCLUDE 12 INCHES OF TOPSOIL

MINIMUM UNCONFINED COMPRESSIVE STRENGTH IN SPECIFICATIONS SECTION

SHOWN ARE 2H:1V BASED ON STABILITY ANALYSIS AFTER THE ACHIEVING THE

TOP OF THE PILE LABELED AT 18 FEET ABOVE EXISTING GRADE. SIDE SLOPES

HEIGHT WITH THE BOTTOM OF THE PILE LABELED AT EXISTING GRADE AND THE

1. NORTH PARKING LOT MATERIAL STOCKPILES ASSUME 18 FEET MAXIMUM

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