Drawings

PIPING, SEE NOTE 2

�I

USDA

iilll

(DHYDRANT

@ BACKFLOW PREVENTER

United States Department of Agriculture
Forest Service

FROSTPROOF HYDRANT

R4

DRAIN GRATE

60"X60"CLEAR

SPACE, COMPACTED

NATIVE SURFACE,

MAXSLOPE OF 2%

INTERMOUNTAIN REGION

28"

5'-0"

_J

[

2"MAX.

STAMPS, LOGOS, AND SEALS

G) DRAIN GRATE

CLEAR SPACE IN FRONT OF

HYDRANT FOR ACCESSIBILITY,

SEE DETAIL ON THIS SHEET

3' WIDTH

----+------- OF GRATE

FINISH GRADE

0:�����

----<�
t----- 5'-0" -

<

HYDRANT PAD DETAIL

&
�

&
&

COMPACTED BACKFILL

GRAVEL SUMP UNDER

GRATE (24"MIN. DEPTH)

NOTES:

1.

2.
3.
4.
5.

6.
7.

HYDRANT TYPES INCLUDE:

TYPE D - FROSTPROOF, POLLUTION PROOF, PISTON-ACTUATED.
TYPE E - FROSTPROOF, POLLUTION PROOF.
TYPE F - FROSTPROOF RAPID FILLING STATION.

NO.

NEW MEADOWS

BARN LBP & DM

HYDRANT LOCATION SHALL BE AS STAKED IN THE FIELD OR AS SHOWN ON THE DRAWINGS. ALTER HYDRANT LOCATION OR PAD SIZE ONLY WITH APPROVAL FROM THE CONTRACTING OFFICER.

TYPE D HYDRANTS: REMOVE INTERNAL

CHECK VALVE IF NOT USED YEAR-ROUND

HYDRANT PADS MAY BE IN CUT OR FILL ALONG SIDE OF ROADWAY. CUT AND FILL SLOPES SHALL MATCH ADJACENT ROADSIDE SLOPES.
CONSTRUCT REDWOOD FRAME BOXUSING ANODIZED GRABBER SCREWS (2 EACH CORNER).

ORDER HYDRANT WITH A BURY DEPTH OF 1 FEET (FOR SEASONAL USE IN SPRING/FALL). REMOVE THE INTERNAL CHECK VALVE FROM THE HYDRANT (IF PRESENT) SO IT CAN FULLY DRAIN (TYPE D HYDRANTS ONLY).

HYDRANT DETAIL

- SLOPE TO MAIN (2% MIN)

ENSURE HYDRANT LATERALS DRAIN BACK TO THE MAIN LINE AT 2% MINIMUM.

HDPE SUPPLY LINE

ANCHOR GRATE IN 4 PLACES AT WELD

LUGS WITH 1/4"DIA. X2"LAG BOLTS TO

2"X4"TIMBER FRAME. PRE-DRILL HOLES

IN GRATE THE DIAMETER OF BOLTS.

MATERIAL SCHEDULE

DESCRIPTION

D

HYDRANT

MURDOCK M-NPL75 MODEL WITH ADA HANDLE

E

HYDRANT

FREEZEFLOW STANDARD MODEL WITH ADA HANDLE

F

HYDRANT

MURDOCK EXPELLO

CD
CD
CD
®

D&E

G)

D&E

DRAIN GRATE

D&E

GRAVEL SUMP

D&E

LUMBER

REDWOOD

D&E

SCREWS

ANODIZED GRABBER SCREWS

BACKFLOW

PREVENTER

DUAL CHECK, ASSE 1011 APPROVED (INCLUDED WITH HYDRANT)

8P2 1/2"x2"O.C. PRESS-LOCKED CLOSE MESH, ADA COMPLIANT, HOT DIPPED

GALVANIZED STEEL, 23 3/4" x 35 3/4",& 1 1/2"DEPTH WITH WELDED LUGS

OPEN GRADED¼"TO 1"RANGE

• SEE HYDRANT TYPES ABOVE

PAYETTE

NATIONAL FOREST

HDPE/GSP TRANSITION

HDPE90-DEG l=I R()W

1-16.5"MIN. -

2"X4"WOOD

A FRAME (INNER)

3' LENGTH OF GRATE

2"X4"X72"
2"X8"X36"
2"X4"X36"

I

ITEM

DATE

PROJECT NAME

ALIGN THE PIPING AT BOTTOM OF HYDRANT AS NECESSARY TO OBTAIN PROPER ORIENTATION OF HYDRANT AS SHOWN ON THE WATER SYSTEM DRAWINGS.