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oHEET NO. DESCRIPTION
I. TITLE SHEET
2 LAYOUT PLAN
PLAN & PROFILE
3-6 UNDERWOOD RD.
' 7-13 CARLOW LANE
14-16 BERNARD ST.
17 � MONTGOMERY LANE
18 —21 CLARKSVILLE ST.
22 CONSTRUCTION DETAILS
APPROVED——
RICHARD
1986
COUNTY ENGINEER.-.
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LOCATED '1.6' SOUTH OF THE SOUTH CONCRETE CURB "OF
THE EASTBOUND LANE of W. MAIN ST. , AT THE EAST
SIDE OF STATE HIGHWAY 146 OVERPASS AND ABOUT 0.6 MILES
WEST ALONG W. MAIN ST. FROM THE INTERSECTION OF
BROADWAY AND SAN JACINTO AVE. v 1913 DATUM
ELEVATION 19.226
PROPOSED WATER DISTRIBUTION IMPROVEMENT:
IN CITY OF LA PORTE
EewlE FOWAOR wLAYOUT PLAN 1200RA
HARRIS COUNTY ENGINEERING DEPARTMENT
'. DATE ANNOVED ET DWAWIND NONEEW
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INSTALL G" WATER MAIN iN 12" WELDED STEEL E S STA 15+3S
PIPE CASING 0.211' THICK ANO Of LONG ttW N�ISTALI
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SOUTHEAST CORNER OF SPENCER
H*HWAY AND CLARKSVILLE $T. ,
1913 DATUM ELEVATION 21.2
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NOTE:
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13 DAMIAGED Sr THE CONTRI TORS THE SAME SHALL BE RESTORED IN
A CONDITION EWPL TO OR SETTER THAN 0R16INAL AT WS rLXMNSC.
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PORE 4 JACK UNDER ASPHALT PAVEMENT.
INSTALL SP wATtR MAIN IN Ie VALDED STEEL
PIPE CASIIi� 0.219a TN1CN AND 3v LONG
----P.1. 44 STA i1419 •l2 STA 12.SOM
4 85'Is'sd'
PROP. 9" MIATER M11NN
NOTE _
CANTRMTOR TO REMOVE THE STREET S16N TWff 13 IN TM V AY or
GONSTRUCTM AND SHALL REMISTALL IT AT THE LOCATION AS DIRCMD
BY JESSE TAYLOA OF CITY OF LA PORTS. (NO PK4 ITEM)
2 2
T. B. M.
TOP OF NORTH RINI OF SANITARY
SEWER MMNNOLE AT NORTHWEST
CORNER OF CLARKSVILLE 5T. AND BUTAXI
LANE 973 DATUM E EV T10 23.58
30
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N.G.
0.1) i 2" ( It w _
i 4 '
O•D. 24°(MAX
AFTER COMPLETING JOINTING , SAND
BEDDING MATERIAL SHALL BE PLACED
ALONG EACH SIDE OF THE PIPE BUT
— — —
NOT HIGHER THAN THE CENTER LINE
-
UD
AND TAMPED SO NO VOIDS ARE LEFT
UNDER THE PIPE.CONTINUE ADDING
SAND BEDDING MATERIAL IN APPROXI-
MATELY 6" LAYERS, TAMPING EACH
_
0
LAYER UNTIL THE PIPE_ HAS BEEN
6 COVERED BY AT LEAST " OF WELL
MP
_
N G.
BACKFILL WITH SELECT MATERIAL
FROM THE EXCAVATION SPOIL BANK
AND COMPACTED TO MATCH THE
ADTOINING SURFACE.
SAND BEDDING PLACED PRIOR TO LAYING
THE PIPE AND MAKING UP THE TOINTS
CO q CTED MATERIAL. UNSTABLE SUBGRADE TO BE REPLACED
N .GC
1
UNDISTURBED SOIL
I
CONCRETE THRUST
- - - - - -
p O p p
WIT4 GRAVEL AND COMPACTED .
O
e o
(
( PAY
ITEM)
NOTE - SELECT EARTHFILL MATERIAL
MAY BE
FROM
TRENCH EXCAVATION , IF
IT IS
FREE
FROM ROCKS ,FROZEN
LUMPS
AND
OTHER OBJECTIONABLE
MATERIAL
AND
IF APPROVED BY THE ENGINEER
WATER
PIPE BEDDING
DETAILS
2'-G'r
VALVE BOX COVER
WI WORD 'WATER '
2L6" MIN. 1'-e MIN.—R-O.W.
I V-d' MAX.
1 ,
FACE TO STRE
I
lAUELLER CO.
GATE VALVE
A-23B0 OR
APPROVED EQUAL
0
- N
as4 F,EBAR STRAP
p' P
CONCRETE THRUST BLOCK it
CONCRETE PAD
(18"x IlVx4")
Lr
►1
MUELLER CO. FIRE HYDRANT
A-42-5 OR AMERICAN DARLING
B-62 OR APPROVED EQUAL
St APPROVED BY'CITY OF LA
PORTS -PUBLIC WORKS DEPT.
N.G.
UNDISTURBED SOIL
-CONCRETE THRUST BLOCK
(MINIMUM 4 SfA.FT. BEARING AREA)
S CUBIC FEET GRAVEL
GATE VALVE $. FIRE HYDRANT DETAILS
i
PLU(7j
90" BEN D
4e BEND
- D
#4 REBAR
22'/2 BEND
HORIZONTAL
I
CF:��SS
B
TEE
11 1/40 BEND
IN LINE
GATE VALVE
rt •4 RERARS
VERTICAL
BEND
•m _ N -
Ll
lIV40
& 22'/2* BENDS
VERTICAL
PIPE
SIZE
M►N►MUM BEARING AREA AGAINST
UNDISTURBED SOIL (Shc• FT. )
(IN•)
A
B
C.
D
E
6
S
4
3
2
4
E)
9
6
5
3
6
12
18
12
10
5
12
NOTES : --
1. BLOCKING SHALL BEAR AGAINST FITTINGS ONLY AND `.;HALL
BE CLEAR OF THE JOINT .
2. BLOCKING SHALL NOT EXTEND V-O" ABOVE TOP OF PIPE.
STANDARD THRUST BLOCKING DETAILS
t
GENERAL NOTE.`
1. LOCATION OF EXISTING WATER , 3FWER ,GAS AND OTHER UNDER-
GROUND LINES ON THESE PLANS ARE APPROY.IMATE AND ARE
BASFD ON THE BEST KNOWN INFORMATION. HOUSF_ SEWER
SERVICE CONNECTION!', ARE NOT SHOWN ON THESE PLANS BUT
ARE PRESENT AND THE CONTRACTOR SHALL MAINTAIN PROPER
CLEARANCE IN ACCORDANCE WITH ALL APPLICABLE CODES.
CONTRACTOR IS CAUTIONFD THAT THERE MAY BF OTHER UNDER-
oROUND LINES WHICH ARE NOT SHOWN .CONTRACTOR SHALL BE
RESPONSIBLE FOR LOCATING ALL FOREIGN LINES AND IITILITIF.4_
IF At:Y ^F T,IFSF-RE .DAMAGED SY THE CONTRACTOR ,HE SHALL
IMMFDIATELY NrrnFY PUBLIC WORKS DEPARTMENT OF CITY OF LA
PORTE AND REPAIR OR REPLACE THE SAME AT HIS EXPENSE.
2. IF THE EXISTING UTILITIES ARE IN THE WAY OF PROPOSED
WATER LINES AND IT BECOMES NECESSARY TO CHANGE THE
LOCATION OR GRADE OF THE PROPOSED WATER LINES,
THE CONTRACTOR SHOULD SEEK THE APPROVAL OF THE
ENGINEER PRIOR TO ANY AD3USTMENTS.
3. CONTRACTOR SHALL PROTECT EXISTING FENCES, TREES,
LANDSCAPING AND OTHER PRIVATE PROPERTY . IF ANY OF
THESE :S DAMAGED BY THE CONTRACTOR ,-THE SAME SHALL
BE REPAIRED OR REPLACED AT IIIS EXPENSE.
4. CONTRACTOR SHALL CONTACT TESSE TAYLOR ,COMMUNITY
DEVELOPMENT DEPARTMENT , C\TY OF LA PORTS (PH.(l13)4TP-502f)1,
PRIOR TO ANO DURING CONSTRUCTION FOR ANY WATER LINE
OR SEWER LINE PROBLEM OR IF WATER NEEDS TO gE CUTOFF 'OR
J' TREE OR HEDGE NEEDS TO BE TRIMMED.
5. CONTRACTOR SHALL CONTACT THE UTILITY COORDINATING
COMMITTEE (PHh131229-4SG-7), 4B HOURS PRIOR TO
COMMENCING ANY WORK TO LOCATE ANY UTILITY LINES IN
THE CONSTRUCTION AREA .
G. CONTRACTOR SHALL CONTACT HARRIS COUNTY INSPECTION
DEPARTMENT (PH.(7i31221--lo16) , 49 HOURS PRIOR TO COMMENCING
ANY WORK.
I. CONTRACTOR SHALL CONTACT EARNST RANKIN OF ENTEX
�H.(113)A'11-4333) BEFORE EXCAVATING NEAR ENTEX GAS LINES.
8. CONTRACTOR SHALL CONTACT DOLLY MANCUSO OF HOUSTON
LIGHTING AND POWER COMPANY (PHA1131 414-41St) BEFORE
EXCAVATING NEAR POWER POLES.
9. CONTRACTOR SHALL BE RESPONSIBLE FOR CLEANING UP
THE DITCHES DISTURBED DURING HIS CONSTRUCTION. DITCHES
SHALL NOT 6E BLOCKED BY EXCAVATED MATERIALS OR
OTHER FOREIGN MATTERS i DITCHES SHALL BE RESTORED TO
THEIR ORIGINAL SHAPES AND FLOWLINES . NO EXTRA PAYMENT
'&HAI.L BE ALLOWED FOR THIS WORK AND COST THEREOF
SHALL BE INCLUDED IN THE VARIOUS BID ITEMS OF THE
BID SCHEDULE -
IO. ALI STEEL PIPE_ CASING SHALL CONFORM TD _ AWWA C-200
(LATEST REVISION) - PIPE ENDS SHALL BE BEVELLED FOR FIELD
BUTT WELDING. PIPES SHALL HAVE MINIMUM WALL THICK-
NESSES AS SPECIFIED ON THE PLANS. PIPE SHALL- BE
COATED BOTH INTERIOR AND EXTERIOR WITH COAL TAR ENAMEL
AND AN EXTERNAL ASBESTOS FELT WRAP IN ACCORDANCE
WITH AWWA C-203 (LATEST REVISION) . PIPE SHALL BE NEW
AND MANUFACTURED IN COMPLIANCE WITH ," UNDERWRITERS
LABORATORIES INC." CURRENT 5PECIFICATIONS FOR Ir'STEEL
PIPELINES FOR UNDERGROUND WATER SERVICE ".
2
2
It. CONTRACTOR SHALL THOROUGHLY DISINFECT THE LINES IN -
ACCORDANCE WITH AWWA C-G01 (LATEST REVISION) THE
CONT-RACTOR SHALL TAKE WATER SAMPLES AND SUBM'T THOSE
TO THE STATF HEALTH DEPARTMENT LABORATORY OR AN
APPROVED COMMERCIAL LABORATORY FOR BACTERIOLOGICAL.
ANALySI ; . IF WATER SAMPLES ARE NOT APPROVED BY THE
LOCAL_ HEALTH UNIT OR TTIE STATE HEALTH DEPARTMENT,THE
CONTRACTOR SHALL REPEAT DISINFECTION PROCEDURE AT
NO EXTRA COST TO HARRIS COUNTY UNTIL THE WATER
SAMPLES ARE APPROVED.
12. WHERE WATER LINES ARE INSTALLED IN AREAS WHICH HAVE
EXISTING SANITARY SEWERS , THE CONTRACTOR SHALL MAINTAIP
9 FEET OF SEPARATION BETWEEN THE OUTSIDE PIPE DIAMETERS
OF TWO LINES. WHERE THIS SEPARATION CANNOT BE ACHIEVED
BECAUSE OF LOCAL CONDITIONS ,THE FOLLOWING SPACING
SHALL BE OBSERVED :
(01 WHERE A NEW WATER LINE IS TO CROSS OR BE INSTALLED IN
PARALLEL WITH AN EXISTING SKNITARY SEWER CONSTRUCTED
OF CAST IRON, DUCTILE IRON OR PVC PIPE )THE NEW WATER
LINE MAY BE PLACED NO CLOSER THAN 2 FEET VERTICALLY
AND 4 FEET HORIZONTALLY FROM THE SEWER ,UNLESS NOTED
ON THE PLANS i WITH THE SEPARATION DISTANCE MEASURED
BETWEEN THE NEAREST OUTSIDE DIAMETERS.TFIE WATERLINES
SHALL BE INSTALLED AT A HIGHER ELEVATION THAN THE
SANITARY SEWER.
(bIWHERE A NEW WATER LINE IS TO BE INSTALLED IN PARALLEL
WITH AN EXISTING CLAY OR CONCRETE GRAVITY SEWER SHOWING
NO EVIDENCE OF LEAKAGE AND THE WATER LINE IS INSTALLED
ABOVE THE SEINER A MINIMUM OF 2 FEET VERTICALLY AND 4 FEET
HORIZONTALLY , THE SANITARY SEWER NEED NOT BE DISTURBED.
SHOULD EXCAVATION FOR THE WATER LINE PRODUCE EVIDENCE
THAT THE SEWER IS LEAKING ,THEN THE SEWER MUST BE
REPAIRED.
([)WHERE A NEW WATER MAIN IS TO CROSS AN EXISTING CLAY OR
CONCRETE GRP%VITY SEWER SHOWING NO EVIDENCE OF LEAKAGE,
THE SEWER NEED NOT BE DISTURBED SOLELY TO APPLY SPEOAt
BACKFILL IF THE WATER LINE IS TO BE INSTALLED AT LEAST 2
FEET ABOVE THE EXISTING SEWER. A FULL TOINT OF THE WATER
LINE SHALL SE CENTERED OVER THE SEWER CROSSING, IN THIS
CASE , SO AS TO PROVIDE MAXIMUM PROTECTION AGAINST
CONTAMINATION.
Ld)EX15TING CLAY OR CONCRETE SEWER PIPE WHICH BECAUSE OF
PHYSICAL LIMITATIONS , MUST REMAIN AT A HIGHER ELEVATION THAW
A PROPOSED INTERSECTING WATER LINE,MAY REMAIN UNDISTURBN
IF THE WATEr LINE 15 INSERTED IN A 30INT OF PRESSURE TYPE
CARRIER PIPE AT LEAST 18 FEET LONG AND 2 NOMINAL SIZES
LARGER THAN THE WATER LINE . THE CARRIER PIPE SHOULD BE
CENTERED ON THE SEWER CROSSING AND BOTH ENDS SEALED
WITH CEMENT GROUT. IN LIEU OF THIS PROCEbURE , THAT PORTION
OF THE SEWER WITHIN 3 FEET OF THE WATER LINE MAY BE
REPLACED WITH CAST IRON OR DUCTILE IRON PIPE V41TH
WATERTIGHT TOINTS-
Le)ANY OTHER RELEVANT PROVISIONS OF 1RULES AND REGULATIONS
FOR PUBLIC WATER SYSTEMS ' BY `TEXAS DEPARTMENT OF HEALTH,
WATER HYGIENE DIVISION 'SHALL BE ADHERED TO.
HARM COUNTY DENGINEERING DEPARTMENT
CONSTRUCTION DETAILS
19 ►031`