Restoration_design_plans_for_diversion_contract_May2016.pdf

PROJECT TITLE:

CONTRACT No.:

PROJECT LOCATION:

CLIENT AGENCY:

PROJECT MANAGER:

DESIGN CONSULTANT:

UPPER TRUCKEE RIVER-

REACH 5 RESTORATION PROJECT

Note: Utility relocation to be done under

Upper Truckee River Reach 5 Utility Relocation Project

AG-9A63-C-09-0095

MEYERS, CA

EL DORADO COUNTY

USDA FOREST SERVICE-

LAKE TAHOE BASIN MANAGEMENT UNIT

THERESA CODY

STREAM SOLUTIONS, LLC

MIKE d’ABOR, P.E. -

FOREST ENGINEER

COSYST AFF

APPROVED FOR NFS LANDS BY:

USDA FOREST SERVICE

‘5

7. / / /

NANCY GlBONV FOREST SUFERVlSOR

DATE

iL_

DATE

AS RECOMMENDED FOR NFS (NATIONAL FOREST SYSTEM) LANDS BY:

USDA FOREST SER)4IC

‘2

C.Mlomla -

SI R.EA’\k SLLU I kYN, LI L 00 ,j 77, %CO’O Cl’, l’RM il,flCCki ‘iL .1 *15.)

DAT

SUBMITTED BY:

STREAM SOLUTIONS LLC

P.O. BOX 7041

CORTE MADERA, CA 94976

CAROL Y BEAHAN, P.E.

October 5, 2012 z

‘it)

LOCATION MAP (NTS):

PROJECT SITE

SUNSET STABLES — UPPER TRUCKEE RIVER

U S HWY 50 AND ELKS CLUB DRIVE

MEYERS, CA 96155

CARSON CITY

Issue

No Dote Description

STATELINE

NO SCALE

oP

/7

N ‘

/ , -U’

,. C

1/

/1

‘‘= 5’ Iv I/ ;/ /7, S (“

i) , /1 [I r

I UPPER TRUCKEE

RIVER CHANNEL

Project

UPPER TRUCKEE RIVER-

REACH 5 RESTORATION

PROJECT

MEYERS, ELDORADO CO., CA

‘A’ ‘A

K I

(5

‘A

PROJECT BOUNDARY

SITE MAP:

SCALE: 1 “=400’

Supervisor Deogeed Drown Checked

File Dote Veolt File Number

10/06/12

Sheet Title

TEILE SHEET

DOd Bu,lding Number Controot No.

AG-aA6s-C-09.009t

Reterer,oe North Sheet Sonic

AS SHOWN

W Sheet Number tream olutions, LLC 1541 Grizzly Mountain Drive, South Lake Tahoe, CA 96150

(530) 573-1378

S S

...10/05/12

AS SHOWN

PLAN SHEET:

EROSION CONTROL

AND DEWATERING PLAN

AMENDED FOR PHASE IV 2016

D-7

A'

A

B'

B

D-7

D-7

Legend:

Project Boundary

TRPA Land Capability Boundary

Existing Gravity Sewer Line

Existing Backup Force Main

Manhole

Parcel Boundary

Impermeable Barrier Fence; Detail A/C-5

TRPA Land Capability Designation

1A

Access Road

Double Coir Log Interim Winterization; Detail 6/D-7

Limits of Disturbance

Dewater Irrigation Cell

Upland Dewater Basin

Dewater Pipe

Optional Dewater Pipe

Orange Boundary Fence; Detail 5/D-7

Orange Boundary Fence with Coir Log; Detail 8/D-7

River Diversion - Phase IV - 2016; Detail 2/D-9

4/30/16

Upland Dewater Basin - Optional

Coir Log or Wattle (staked inside); Detail 9/D-7

GENERAL NOTES

1. ALL ITEMS SHOWN IN RED ARE DIVERSION CONTRACTOR'S RESPONSIBILITY.

2. DEWATER IRRIGATION CELLS REPRESENT AREAS IDENTIFIED FOR SPRAY IRRIGATION OF DECANT WATER ONLY. NO INSTALLATIONS OTHER THAN THE PIPING AND APPARATUS FOR SPRAY IRRIGATION ARE

PROPOSED IN THESE AREAS AND SURFACE RUNOFF WILL BE AVOIDED. THE EXCEPTION TO THIS IS DEWATER IRRIGATION CELL 6 THAT REQUIRES A WFB OR APPROVED EQUIVALENT BARRIER ON THE

DOWNSLOPE SIDE.

3. PHASE IV CONSTRUCTION (2016) RIVER DIVERSION WILL BE DONE IN TWO STEPS AS FOLLOWS:

(1) INSTALL THE FIRST TWO COFFER DAMS IN APPROX. LOCATIONS SHOWN FOR DIVERSION 1 (D-1) TO ALLOW FOR FISH RELOCATION OPERATIONS AND DRAINING OF THE NORTHERN SECTION OF THE

EXISTING RIVER. ONCE DRAINED LTBMU EQUIPMENT WILL ENTER THE EXISTING RIVER NEAR THE TEMPORARY HAUL ROAD TERMINUS IN ORDER TO ACCESS THE NORTHERNMOST WORK AREAS.

(2) WHEN DIRECTED, INSTALL DIVERSION 2 (D-2) AND, IF AUTHORIZED, DIVERT TO NEW CHANNEL DOWNSTREAM, OTHERWISE CONNECT VIA WYE FITTING TO DIVERSION PIPE AT D-1 IN ORDER TO DIVERT

AROUND ENTIRE WORK AREA UNTIL AUTHORIZED TO ACTIVATE NEW CHANNEL.

4. DIVERSION AND DEWATERING CONTRACTOR RESPONSIBLE FOR INSTALLING, OPERATING AND MAINTAINING DIVERSION SYSTEM ACCORDING TO PLANS, SPECIFICATIONS AND PERMITS.

5. DIVERSION AND DEWATERING CONTRACTOR RESPONSIBLE FOR INSTALLING AND MAINTAINING UPLAND DEWATER BASINS FOR LTBMU USE AND DEMOBILIZING ONCE DIRECTED. INSTALLATION AND

DEMOBILIZATION IS TO BE DONE ACCORDING TO PLANS, SPECIFICATIONS AND PERMITS.

6. LTBMU WILL BE RESPONSIBLE FOR INSTALLING ALL PIPING AND HOSE LINE USED TO PUMP FROM THE NEW CHANNEL TO THE DEWATER IRRIGATION CELLS AND UPLAND DEWATER BASINS.

18" MIN

COMP NATIIVE SOIL

IMPERMEABLE MATERIAL

SUPPORTIVE BACKING,

TENSAR GRID, OR WIRE MESH

FLO

W

KEY IN 6" MIN

KEY IN 6" MIN

STEEL POST

8' MAX

12" MAX, 8" MIN

IMPERMEABLE MATERIAL

IMPERMEABLE BARRIER FENCEA

PERSPECTIVE

SECTION

A

C-5

A

C-5

A

C-5

NOT TO SCALE

South Lake Tahoe, CA 96150

(530) 573-1378

S S

...10/05/12

AS SHOWN

PLAN SHEET:

D-7

D-7

Legend:

Project Boundary

TRPA Land Capability Boundary

Existing Gravity Sewer Line

Existing Backup Force Main

Manhole

Parcel Boundary

TRPA Land Capability Designation

1A

Access Road

Double Coir Log Interim Winterization; Detail 6/D-7

Limits of Disturbance

Orange Boundary Fence; Detail 5/D-7

Orange Boundary Fence with Coir Log; Detail 8/D-7

EROSION CONTROL

AND DEWATERING PLAN

AMENDED FOR PHASE IV 2016

4/15/16

Dewater Irrigation Cell

Upland Dewater Basin

Dewater Pipe

Optional Dewater Pipe

River Diversion - Phase IV - 2016; Detail 2/D-9

Upland Dewater Basin - Optional

GENERAL NOTES

1. ALL ITEMS SHOWN IN RED ARE DIVERSION CONTRACTOR'S RESPONSIBILITY.

2. DEWATER IRRIGATION CELLS REPRESENT AREAS IDENTIFIED FOR SPRAY IRRIGATION OF DECANT WATER ONLY. NO INSTALLATIONS OTHER THAN THE PIPING

AND APPARATUS FOR SPRAY IRRIGATION ARE PROPOSED IN THESE AREAS AND SURFACE RUNOFF WILL BE AVOIDED. THE EXCEPTION TO THIS IS DEWATER

IRRIGATION CELL 6 THAT REQUIRES A WFB OR APPROVED EQUIVALENT BARRIER ON THE DOWNSLOPE SIDE.

3. PHASE IV CONSTRUCTION (2016) RIVER DIVERSION WILL BE DONE IN TWO STEPS AS FOLLOWS:

(1) INSTALL THE FIRST TWO COFFER DAMS IN APPROX. LOCATIONS SHOWN FOR DIVERSION 1 (D-1) TO ALLOW FOR FISH RELOCATION OPERATIONS AND DRAINING

OF THE NORTHERN SECTION OF THE EXISTING RIVER. ONCE DRAINED LTBMU EQUIPMENT WILL ENTER THE EXISTING RIVER NEAR THE TEMPORARY HAUL ROAD

TERMINUS IN ORDER TO ACCESS THE NORTHERNMOST WORK AREAS.

(2) WHEN DIRECTED, INSTALL DIVERSION 2 (D-2) AND, IF AUTHORIZED, DIVERT TO NEW CHANNEL DOWNSTREAM, OTHERWISE CONNECT VIA WYE FITTING TO

DIVERSION PIPE AT D-1 IN ORDER TO DIVERT AROUND ENTIRE WORK AREA UNTIL AUTHORIZED TO ACTIVATE NEW CHANNEL.

4. DIVERSION AND DEWATERING CONTRACTOR RESPONSIBLE FOR INSTALLING, OPERATING AND MAINTAINING DIVERSION SYSTEM ACCORDING TO PLANS, SPECIFICATIONS AND PERMITS.

5. DIVERSION AND DEWATERING CONTRACTOR RESPONSIBLE FOR INSTALLING AND MAINTAINING UPLAND DEWATER BASINS FOR LTBMU USE

AND DEMOBILIZING ONCE DIRECTED. INSTALLATION AND DEMOBILIZATION IS TO BE DONE ACCORDING TO PLANS, SPECIFICATIONS

AND PERMITS.

6. LTBMU WILL BE RESPONSIBLE FOR INSTALLING ALL PIPING AND HOSE LINE USED TO PUMP FROM THE NEW

CHANNEL TO THE DEWATER IRRIGATION CELLS AND UPLAND DEWATER BASINS.

Impermeable Barrier Fence; Detail A/C-5

Coir Log or Wattle (staked inside); Detail 9/D-7

A

C-5

South Lake Tahoe, CA 96150

(530) 573-1378

S S

...10/05/12

AS SHOWN

DETAILS (CONT'D)