20160770 Ver 1_EC Sequence Precast Arch Colvert_20160808

N.C. D.O.T.
BRIDGE MAINT. DEPT.
EROSION CONTROL SEQUENCE
COUNTYRockingham
33
BRIDGE NO.
Prong Mary's Creek
ACROSS
S.R. No.SR 2359Huffines Mill Rd
PROJECT No. 37272
DESCRIPTION:
18.0' X
REMOVAL of EXISTING BRIDGE 39'LONG
and REPLACE with PRECAST ARCH CULVERT1 @35' 3"wideX 8' X32'SPAN
Note:
All Erosion Control devices & proper installation plus maintenance of erosion control will be performed
by using - NCDOT Best Management Practices for Construction and Maintenance Activites Manual
1
PLACE FILTER FABRIC UNDER BRIDGE TO CATCH ASPHALT & DEBRIS
2
REMOVE EXISTING BRIDGE THEN FILTER FABRIC
3 USE SILT BAG FOR STILLING BASIN
4
SANDBAGS IF NEEDED TO DIVERT STREAM FROM FOOTING #1
Note
: IF NEEDED - BUILD ABC COFFER DAMS WRAPPED WITH PLASTIC IN WORST CASE
5
EXCAVATE SOIL to PROPER REQUIRED DEPTH FOOTING No. 1
6
INSTALL SILT FENCE AS NEEDED AND PUMP EXCESS WATER INTO SILT BAG.
7
POUR CONCRETE LEVELING PAD.
8
CONSTRUCT FORMS FOR FOOTING # 1 AND POUR CONCRETE.
9
REMOVE COFFERDAM FOR FOOTING #1
10
SANDBAGS IF NEEDED TO DIVERT STREAM FROM FOOTING #2
11
EXCAVATE AREA FOR FOOTING # 2 TO REQUIRED DEPTH.
12
INSTALL SILT FENCE AS NEEDED AND PUMP EXCESS WATER INTO SILT BAG.
13
POUR CONCRETE LEVELING PAD.
14
CONSTRUCT FORMS FOR FOOTING # 2 AND POUR CONCRETE.
15
REMOVE COFFERDAM FOR FOOTING #2
16
SET 3 SIDED CONCRETE CULVERT
17
BACKFILL CULVERT AND SHOULDERS.
18
PLACE FILTER FABRIC AND RIP RAP AS NEEDED.
19
SEED EXPOSED AREAS AS NEEDED
20AFTER VEGETATION is ESTABLISHED
REMOVE ALL EROSION CONTROL DEVICES
APPROXIMATE PROJECT START DATE3/1/2007
PREPARED BY :Tim PowersTRANSPORTATION TECH. DATE5/3/2006
APPROVAL DIV. BRIDGE ENG. ___________________ DATE __________