Simi Valley SV 07-11 Los Angeles Avenue, Madera Road, Lysander Avenue Sewer Trunk Project

WCE PROVIDED PROJECT CONSTRUCTION SUPPORT AND INSPECTION SERVICES

CONTRACTOR: COLICH LLP, EUGENIO MATEO PROJECT MANAGER

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Dewatering and Construction Work Sequence:

1. Set up traffic control.
2. Notify Homeowners - public outreach.
3. Contact USA DigAlert, identify buried utilities.
4. Locate sewer laterals and identify utilities.
5. Drill dewatering wells.
6. Setup dewatering field, silt tank and sewer by-pass.
7. Allow for de-watering of site.
8. Saw-cut asphalt street surface.
9. Excavate sewer trench and install new sewer main.
10. Backfill and return street surface to former condition.

Lysander Avenue

DIG AND REPLACE EXISTING 8 INCH VCP SEWER WITH NEW 10 INCH PVC SEWER

(TOP) LYSANDER AVENUE SEWER REPLACEMENT EXCAVATE, TRENCH, PIPE REPLACEMENT AND BACKFILL (BOTTOM).

Excavated and open trenched 859 linear feet of 8 inch VCP with new 10 inch SDR 35 PVC Sewer Pipe.

Sewer Lateral Excavation

Sewer Lateral Trench Shielding

Connection of new PVC to Existing Clay with Coupling

Slurry Backfill over Pipe in Trench

Madera Road

SLIPLINING OF EXISTING 27 INCH RCP SEWER WITH 24 INCH HOBAS® FRPMP.

Slip-lined 3,182 feet of 27-inch RCP Sewer Pipe with 24 inch Hobas liner pipe.

Field Installation of Hobas Pipe

Field Installation of Hobas Pipe

LINER PIPE FABRICATOR: BY HOBAS®

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Field Closure of Hobas Pipe prior to Concrete Encasement.

Slurry backfill to Grade over Field Closure.

Los Angeles Avenue

AND

SLIPLINING OF EXISTING 27 INCH RCP SEWER WITH 24 INCH HOBAS® FRPMP.

Slip-lined 3,182 feet of 27-inch RCP Sewer Pipe with 24 inch Hobas liner pipe.

LINER PIPE FABRICATOR: BY HOBAS, CIPP - BY WESCO

Sewer Bypass Pumping Setup for CIPP Installation. (Godwynn By-Pass Pumping)

Inserting CIPP Liner from Sub-Contractor (Wesco) Stationing Truck.

Lowering Test Mandrel into access pit into opened sewer pipe.

Mandrel to check Joint Offsets prior to installing liner pipe.

Note Debris on Mandrel after Testing. Mandrel is not intended for use as a cleaning device.

Stockpile of Hobas Pipe.

Pushing Head for Hobas® Installation.

Excavated Pipe Jacking Pit.