WITH BRICK, OR PRECAST CLEAR OPENING INCLUDING POURED OR HAND PACKED
CONCRETE RINGS! - FRAME & COVER 30° NOTES! NON-SHRINKING MORTAR:
MAXIMUM 12° ADJUSTMENT 1- ALL MANHOLE COMPONENT PARTS SHALL HAVE ADEQUATE SPACE, STRENGTH HALLEMITE, WATERPLUG, INSIDE FACE
FRAME TO BE SET
AND LEAKPROOF QUALITIES CONSIDERED NECESSARY FOR THE INTENDED EMBECO OR APPROVED OF MANHOLE —™ [:*
SERVICE REQUIREMENTS AND CONFIGURATIONS, AND SHALL BE as SHOWN ON
IN BED OF MORTAR THE DRAW MANHOLES MAY BE ASSEMBLY DI S
INSIDE FACE
OF MANHOLE
FILL
W/MORTAR
_— FOURING SPRUE
IF REQUIRED
oO HOUT ORC ADEQ
OR CONCRETE CAST MONOLITHICALLY IN PLACE WITH OR WITHOUT
REINFORCEMENT. IN ANY APPROVED MANHOLE, THE COMPLETE STRUCTURE
SHALL BE OF SUCH MATERIAL AND QUALITY AS TD WITHSTAND LOADS OF -
8 TONS CH-20 LOADING) WITHOUT FAILURE AND PREVENT LEAKAGE IN ee A
EXCESS OF ONE GALLON PER DAY PER VERTICAL FOOT OF MANHOLE, RUBBER-LIKE
CONTINUOUSLY FOR THE LIFE OF OF THE STRUCTURE. A PERIOD O-RING ‘\
FILL W/MORTAR
.
VALLE LLL TIIIET 5
MORTAR i LEE rer I
|
Te
ANODIZED ALUMINUM,
INSIDE FACE INTERNAL CLAMP
GENERALLY IN EXCESS OF 25 YEARS IS TO BE UNDERSTOOD IN BOTH OF MANHOLE
CASES,
INSIDE FACE
2- SHALL BE PRECAST REINFORCED OR NON- OF MANHOLE —™
BARRELS AND CONE _SECTIONS
REINFORCED CONCRETE, OR POURED IN PLACE REINFORCED OR NON-
REINFORCED CONCRETE.
3- PRECAST CONCRETE BARREL SECTIONS, CONES AND BASES SHALL CONFORM
4—- BASE SECTIONS SHALL BE MONOLITHIC TO A POINT 6° ABOVE THE CROWN
B | DF THE INCOMING PIPE, AND SHALL BE PRE-CAST REINFORCED CONCRETE
OR PRE-CAST NON-REINFORCED CUONCRETE. RES-SEAL PRESS-WEDGE II NON-SHRINKING MORTAR LOCK-JOINT FLEXIBLE MANHOLE SLEEVE KOR-N-SEAL JOINT SLEEVE
PLAN S- LEAK OGE TEST SHALL BE PERFORMED IN ACCORDANCE WITH THE COR EQUAL) COR EQUAL) ¢OR EQUAL) ¢OR EQUAL)
MAXIMUM PROJECTION 6- INVERTS AND SHELVES: MANHOLES SHALL HAVE A BRICK PAVED SHELF
OF PIPE. INTO MANHOLE AND INVERT, CONSTRUCTED TO CONFORM 10 THE SIZE OF PIPE AND FLOW
AT CHANGES IN DIRECTION, THE INVERTS SHALL BE LAID QUT IN CURVES RUBBER-LIKE O-RING NOTES
OF THE LONGEST RADIUS POSSIBLE TANGENT TO THE CENTER LINE OF RUBBER-LIKE GASKET SET IN RECESS
MAXIMUM DISTANCE THE SEWER PIPES. SHELVES SHALL BE CONSTRUCTED TO THE ELEVATION ROLLS OUT OF RECESS 1- HORIZONTAL JOINTS BETWEEN SECTIONS OF PRECAST CONCRETE BARRELS
TO FLEXIBLE JOINT ONE Se OO EO STOPES aN COWARD TE FLOWING ASPHALT IMPREGNATED APPROVED PREFORMED SHALL BE OF AN OVERLAPPING TYPE, WHICH TYPE SHALL, IN GENERAL,
(SEE NOTE 10) OE TK MA SNUIBY, POLYURETHANE GASKET BITUMASTIC SEALANT DEPEND FOR WATERTIGHTNESS UPON ON ELASTOMERIC OR MASTIC-LIKE
1-1/2" x 2! .
—feeeerae"
REQUIRED
3° MAX, SPACE
|
INSIDE FACE
OF MANHOLE
FORMED
OPENING
UBBER-L IKE
CEIVER AND
DGE
2’ -0*' MIN,
4’-0" MAX,
SEE DETAIL B ”*
PART B
FOR APPROVED
JOINTING METHODS
EAE AAISE AS
AL”
|_ 7
i ey
a” ILA LILLIES
FILL
W/MORTAR
FESLOWERY
STAINLESS STEEL STRAP
FORMED
DPENING ———~ R
LIKE FLEXIBLE
SLEEVE
L sragues STEEL
LAMP
~7
FILL
W/MORTAR
{
puaaeLIKe
KOR-N-SEAL
4
S’ IF REINFORCED
8” IF UN-REINFORCED
SEE DETAIL A
PART B
FOR APPROVED
JOINTING METHODS .
SS
v
BR
ane.
6” BEDDING CSEE NOTE 8)
MAY BE OMITTED WHEN
MANHOLE IS CAST IN PLACE
7- ERAMES AND COVERS: MANHOLE FRAMES AND COVERS SHALL BE DF HEAVY
DUTY DESIGN AND PROVIDE A 30-INCH CLEAR OPENING. A 3-INCH
(MINIMUM HEIGHT) LETTER “S*’ FOR SEWERS OR “D* FOR DRAINS SHALL
BE PLAINLY CAST INTO THE CENTER OF EACH COVER.
8- BEDDING: SCREENED GRAVEL AND/OR CRUSHED STONE FREE FRDM CLAY,
LOAM, ORGANIC MATTER AND MEETING ASTM C33
100% PASSING 1 INCH SCREEN
7201597 PASSING 3/8 INCH SCREEN
SEE PART B FOR 0-10% PASSING #4 SIEVE
2- FOR BITUMASTIC TYPE JOINTS THE AMOUNT OF SEALANT SHALL BE
SUFFICIENT TO FILL AT LEAST 75% OF THE JOINT CAVITY
TYPICAL SECTION APPROVED BITUMASTIC SEALANTS:
RAM-NEK
KENT SEAL ND. 2
>.
,
*! CRICK
BASE SECTION TO BE FULL NT, 3- PIPE TO MANHOLE JOINTS SHALL BE AS FOLLOWS:
WALL THICKNESS AND
NOTE:
DIMENSIONS AND
FORMED "
CONSTRUCTION OF DROP- MONOLITHIC TO A POINT JOINTING DETAILS 0-5% PASSING #8 SIEVE |_-—— RUBBER-LIKE CA) ELASTOMERIC, RUBBER, SLEEVE WITH WATERTIGHT JOINTS AT THE
MANHOLE TO BE 6’ ABOVE THE PIPE CROWN WHERE ORDERED BY THE ENGINEER TO STABILIZE THE BASE, SCREENED OPENING GASKET MANHOLE OPENING AND PIPE SURFACES,
SIMILAR TO TYPICAL SECTION A-A GRAVEL OR CRUSHED STONE 1/2 INCH TO 1-1/2 INCH SHALL BE USED. CAST INTO
MANHOLE EXCEPT AS SHOWN MANHOLE (B) JOINTS AT THE MANHOLE MAY BE CAST INTO WALL OR SECURED WITH
9- CONCRETE FOR DROP SUPPORT SHALL CONFORM TO THE REQUIREMENT FOR STAINLESS STEEL CLAMPS, JOINTS AT THE PIPE SHALL BE SECURED
CUT OPENING IN EXTEND ENCASEMENT CLASS A ¢3000#) CONCRETE OF THE NEW HAMPSHIRE DEPARTMEN A-LOK WITH STAINLESS STEEL CLAMPS.
PRECAST MH BARREL TO FIRST JOINT TRANSPORTATION STANDARD SPECIFICATIONS AS FOLLOWS: OR EQUAL
AND SEAL WITH NDN- BEYOND EXCAVATION 12” MIN CEMENT! 6.9 BAGS FER CUBIC YARD AT POLYTITE ROLL~-N-LOK BITUMASTIC (C) ELASTOMERIC SEALING RING CAST IN THE MANHOLE OPENING WITH
_ i 12" , 1 5,
SHRINK MORTAR | EACH MAXIMUM STZE DF AGGREGATE! 1 INCH COR EQUAL? COR EQUAL? SEAL FORMED ON THE SURFACE OF THE PIPE BY COMPRESSION OF
F NOTE: ALL GASKETS, SEALANTS, MORTAR, ETC, SHALL BE '
“ye 10- FLEXIBLE JOINT: A FLEXIBLE JOINT SHALL BE PROVIDED WITHIN THE NOTE: ALL GASKETS AND SEALANTS SHALL BE INSTALLED IN ® . y a 7
2 TOP OF SHELF SHALL . FOLLOWING. DISTANCES: ACCORDANCE WITH MANUFACTURERS WRITTEN INSTRUCTIONS Renee ORO RNRNCE WITH MANUFACTURERS (D> NON-SHRINK GROUTED JOINTS WHERE WATERTIGHT BONDING TD THE
BRICK DAM ——__ [7 BE i ABOVE CROWN OF pl . RCP & CI PIPE - ALL SIZES - 48° MANHOLE AND PIPE CAN BE OBTAINED.
PIPE BEDDING IGHEST PIPE . AC & VC PIPE — UP THROUGH 12” DIA, - 18°
ae i DT PIPE — NO FLEXIBLE JOINT REQUIRED. DETAIL - B DETAIL - A
»
rpc. DROP TH BE SAME SIZE AS SEWER NOTE: PVC PIPE - UP THROUGH 15’ DIA. — NO FLEXIBLE JOINT REQUIRED. —_—_ ——_
bt St PRON TEE DR WYE. “] INVERT AND SHELF TD BE
a ore FROM TEE OR WYE. NOTE: | _
he PIPE JDINTS TOBE TYPICAL ABE-SHALL BE TAKEN . PLACED AFTER LEAKAGE 11- SHALLOW MANHOLE: IN LIEU DF A CONE SECTION, WHEN MANHOLE DEPTH
oat MIN. b’ |e oq TEST REINFORCED CONCRETE SLAB COVER MAY BE
iy bee 6’ min, 4S SPECIFIED TO INSURE THAT THE BRICK J ' USED HAVING AN ECCENTRIC ENTRANCE OPENING AND CAPABLE OF
By INVERT IS A SMOOTH P| SUPPORTING H-20 LOADS.
Ate LIMIT OF MANHOLE CONTINUATION OF THE ne
oe? 1 Re he ee he ee
; EXCAVAT IDN SEWER INVERT
pals 4 INVERT BRICKS SHALL BE
7 te CURVED ELBOWS SECTION B-B
CTT Pe”
BE car en STANDARD MANHOLE — PART A STANDARD MANHOLE — PART B
AGAINST UNDISTURBED MATERIAL
OR FRAMEWORK, PIPE SHALL BE
DROP MANHOLE BRACED AGAINST MOVEMENT OR
FLOTATION ¢SEE NOTE 9)
NOTES CONTINUED SEE NOTE 8 NOTES:
NOTES: ———
———_ — FOR CONSTRUCTION IN ROADS, a oN 1- ORDERED EXCAVATION OF UNSUITABLE MATERIAL BELOW GRADE
6- THE PIPE SHALL BE HANDLED, PLACED, AND 1- MINIMUM SIZE PIPE FOR HOUSE SERVICE SHALL BE FOUR INCHES. ROAD SHOULDERS AND WALK-WAYS REFILL WITH BEDDING MATERIAL. SEE ALSO NOTE 7,
m~ SHINTED IN ’ACCURDANCE WITH INSTALLATION GUIDES OF THE’ APPROPRIATE = > prope AND JOINT MATERIALS)
io CRUSHED STENE AND/OR’ GRAVEL AS SPECIFIED TN. NOTE tom CEEDDING AND FD eT TE SHALL BE EXTRA STRENGTH CLAY PIPE SURFACE COURSE AS SPECIFIED 2- BEDDING. SCREENED GRAVEL AND/OR CRUSHED STONE FREE
THIS PORTION OF ned RE-FILL FOR A DEPTH INCHES ABOVE THE TOP OF THE PIPE SHALL PINE OND EITTINGS SHALL BE EXT FROM CLAY, LOAM, ORGANIC MATTER AND MEETING ASTM C33
STREET @ "BY OTHERS oe Be GARECLILY” AND” THORDUGHLY TANPED BY HAND OR WITH’ APPROPRIATE 2- JOINTS SHALL BE WADE WITH DIL | RESISTANT GASKETS IN Ye STONE SIZE NO. 67.
a: INSTRUCT INS FI MPOLLOWEDS COMPACT SUITABLE 100% PASSING 1 INCH SCREEN
L DESERVATION. . BUILDING DRAIN THE PIPE SHALL BE LAID AT A CONTINUOUS AND CONSTANT GRADE FROM B. ASBLNSTRUCT IONS | FOR INSTALLATIN’ SHALL” BE” FOLLOWED, IN 12? MATERIAL \ SUITABLE 90-100% PASSING 3/4. INCH SCREEN
wintwum | (House SEWER: Ma THE STREET SEWER CONNECTION TO THE HOUSE FOUNDATION AT A GRADE OF » AS BYR aN PrITANgs SALT EONFER TH AStw TENTATIVE LAYERS MATERIAL i
BS || SR SPARS suze = a Ra LESS Than 176, IN PER COGT, OPENS 3 AE ROE coer rPibartine tess XK 20-55% PASSING 3/8 INCH SCREEN
MINIMUM SLOPE oor (fo. 4 BE TAKEN TO DEWATER THE TRENCH, , 2- SHINTS SHALL BE OF THe SLEEVE-COUPLING TYPE CONFORMING SUITABLE 0-10% PASSING #4 SIEVE
oe jane TO ASTM SPECIFICATIONS C-644 TYPE II. COMPRESSION RINGS MATERIAL IN 3°. LAYERS Rs 0-5% PASSING #8 SIEVE
MINIMUM PIPE SIZE = 6 aoe [oe MATERIAL AND SHALE CONFORM TL AGTM SPECIFICATI ONS “De 1869 WHERE ORDERED BY THE ENGINEER TO STABILIZE THE
MINIMUM SLOPE 1/4” PER FOOT aor fi’ CLEAN MANUFACTURERS SPECIFICATIONS SHALL BE FOLLOWED. , COMPACT IN 3’
1 UT . LAYERS EXCEPT TRENCH BASE, GRADED SCREENED GRAVEL OR CRUSHED
BASEMENT FLOOR - L CONFORM TO THE WHERE OTHERWISE STONE 1/2 INCH TO 1-1/2 INCHES SHALL BE USED.
WE OR TEE a. FOLLOWING STANDARDS OF THE AMERICAN NATIONAL STANDARDS REQUIRED BY DP. W
<SEE NOTES —~ \ 4 INSTITUTET TCKNESS DESIGN OF CAST-IRUN PIPE a 3- SAND BLANKET. CLEAN SAND FREE FROM ORGANIC MATTER,
“* ASRESTES CEMENT/CAST ok REL A CEMENT RURTAR LINING FUR CAST-IRUN PIPE AND v NOT MORE THAN. 18% WILL PASS #200 SIEVE,
IRON/PVC/VITRIFIED CLAY A21.6 CAST-IRON PIPE _CENTRIFUGALLY CAST IN METAL MOLDS BLANKET MAY BE OMMITED FOR CAST-IRON DUCTILE IRON AND
STREET SEWER FOR WATER OR OTHER LIQUIDS _/ i
ADAPTER WITH FLEXIBLE .
SEE DETAIL FOR . - - 12° MIN, WOOD REINFORCED CONCRETE PIPE PROVIDED HOWEVER, THAT NO
CONCRETE. ARCH JOINT ¢SEE NOTE 4) Me HOUSE SEER MAY ASD MENT APL8 OLDS FUR WATER OR DIVER CTQUIDS, NS BLANKET STONE LARGER THAN 2’ IS IN CONTACT WITH THE PIPE,
al Foote WN fedUtReD sen 10 Fees Gua ates atin Team #0 noes sane
TYPICAL HOUSE SEVER vom Sa ABR RH de ieeees oe nee a " + Uae UR SUS, BON SURES tS
4 Abi. 11 Lae GASKET JOINTS FOR CAST-IRON PRESSURE PIPE COMPACT oD SHALL BE THE NATURAL MATERIAL EXCAVATED DURING THE COURSE
i “het a* | BUCTILE-IRON PAPES FITTINGS AND JOINTS 7 , :
Ls 4 s PROVIDE WATERTIGHT D 1- DUCTILE-I[RUN PIPE AND FITTINGS SHALL CONFORM TO THE LAYERS | | MENT, ORGANIC MATTER, TOP SOIL, ALL WET OR SOFT MUCK, PEAT OR
concRETE |] ¢ PLUG UR CAP_AS. MADE FOLLOWING STANDARDS OF THE UNITED STATES OF AMERICA CLAY, ALL EXCAVATED LEDGE MATERIAL, AND ALL ROCKS OVER SIX
CSEE NOTE Al ( 3. BY PIPE MANUFACTURER, STANDARDS THICKNESS DESIGN OF DUCTILE-IRDN PIPE AND WITH 6” MIN. SEE NOTE SEE NOTE 1 INCHES IN LARGEST DIMENSION, OR ANY MATERIAL WHICH, AS
12) et Ses BRACE AGAINST TRENCH yare DESIGN OF DUCTILE IRON NOTE: —_ — DETERMINED BY THE ENGINEER, WILL NOT PROVIDE SUFFICIENT SUPPORT
see au 1? SHE Obra LS PR Oh ise ENE BET Ty Crone eae Gnetnueriiny Sorramte mateeran'© CONDITION
| 3 - MAX. PAYMENT DEPTH FOR - ;
TO) BE THOROUGHLY nUSE. WATER 2- mints Het OUTS. SPECIFIED IN NOTE €.2 (CAST-IRIN LEDGE, EXCAVATION: , EARTH CONSTRUCTION EARTH CONSTRUCTION WITH SHEETING SHALL BE AS DESCRIBED ABLVE, EXCEPT THAT THE
SERVICE ’ MIN, ENGINEER MAY PERMIT THE USE OF TOP SOIL, LOAM, MUCK
~ “ PLAN E. PVC <POLYVINYL CH URIDED Pir eeevice LEDGE CONSTRUCTION OR PEAT, IF THE ENGINEER IS SATISIFIED THAT THE COMPLETED
- ‘ NOTES CONTINUED CONSTRUCTION WILL BE ENTIRELY STABLE AND PROVIDED
2- PVC PIPE AND FITTINGS SHALL BE TYPE SDR-35 HAVING BELL
ROA MUM SOE ae AND SPIGOT JOINTS CONFORMING TO ASTM SPECIFICATION D-3034, A TT THAT EASY ACCESS TO THE SEWER FOR MAINTENANCE
1 ~~ AT LEAST 18° . SAND BLANKET 3- JOINTS SHALL BE BELL AND SPIGUT TYPE HAVING ELASTOMERIC 7-W = MAXIMUM ALLOWABLE TRENCH WIDTH TO A PLANE 12 INCHES AND POSSIBLY RECONSTRUCTION, WHEN NECESSARY WILL
ibe J 6" MIN, GASKETS CONFORMING TO ASTM SPECIFICATION D-3212, ABOVE THE PIPE. FOR PIPES 15 INCHES NOMINAL DIAMETER BE PRESERVED.
1 ve op, UTSIDE OF © 3+ DAMAGED PIPE SHALL BE REJECTED AND REMOVED FROM THE JOB SITE PIPES GREATER THAN 15 INCHES NOMINAL DIAMETER, W SHALL S- BASE COURSE, IF ORDERED BY THE ENGINEER, SHALL MEET
f ENCASEMENT - a SHALL BE DEPENDENT UPON _A NEOPRENE OR ELASTOMERIC GASKET wats BE 24 INCHES PLUS PIPE O,D, # SHALL ALSO BE THE THE REQUIREMENTS OF DIVISION 300 OF THE LATEST EDITION
BEDDING TO BE ER-TIGHTNESS, ALL JOINTS SHALL BE PROPERLY MATCHED WITH ,ENCASEMENT 4°, PAYMENT WIDTH FOR LEDGE EXCAVATION AND FOR ORDERED OF THE STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE
THOROUGHLY 1/4 LD, CONNECTED, ASAT THE STREET SEVER WYE DR AY THE FOUNDATION WALL, — EXCAVATION BELOW GRADE. CONSTRUCTION OF THE STATE OF NEW HAMPSHIRE DEPARTMENT OF
COMPACTED 10 (4° MIND APPROPRIATE MANUFATURED ADAPTERS SHALL BE USED. TRANSPORTATION.
S- EES OR WES, WHERE A TEE OR WYE IS NOT AVAILABLE IN THE 8- FOR CROSS COUNTRY CONSTRUCTION, BACKFILL OR FILL 6- WOOD SHEETING, IF REQUIRED. WHERE SHEETING IS PLACED
WATER AND SEWER TSTING STREET SEWER, AN APPROPRIATE CONNECTION SHALL BE MADE, Sart TON eB SURFACE Ot OF SIX INCHES ABOVE THE ALONGSIDE THE PIPE AND EXTENDS BELOW MID-DIAMETER, IT
TRENCH CROSS-SECTION FOLLIVING MANUFACTURERS INSTRUCTIONS USING 6 BOLTED, GLANCED, ER ve one aos : SHAN. BE CUT OFF AND LEFT IN PLAGE 40" AN ELEVATION NOT LESS
IN _SAME_TRENCH SECTION I as
ENING IN THE SEWER, THE PRACTICE OF BREAKING AN OPENING WITH alae sata _ THAN ONE FOOT ABOVE THE TOP OF THE PIPE, WHERE SHEETING IS
9- CONCRETE FOR ENCASEMENT SHALL CONFORM TD THE
SEE NOTE 9) CONCRETE FULL ENCASEMENT A SLEDGE HAMMER, STUFFING CLOTH OR OTHER SUCH MATERIAL AROUND THE ae ORDERED BY THE ENGINEER TO BE LEFT IN PLACE, IT SHALL
JOINT, GR APPLYING MORTAR TO HOLD THE CONNECTION, AND OTHER REQUIREMENTS FOR CLASS A ¢3000#) CONCRETE OF THE NEW BE CUT OFF AT LEAST THREE FEET BELOW FINISHED GRADE
SIMILAR CRUDE PRACTICES OR INEPT OR HASTY IMPROVISATIONS WILL NOT HAMPSHIRE DEPARTMENT OF TRANSPORTATION STANDARD .
BE PERMITTED, THE CONNECTION SHALL BE CONCRETE ENCASED AS SHUWN SPECIFICATIONS AS FOLLOWS: BUT NOT LESS THAN ONE FOOT ABOVE THE TOP OF THE PIPE.
—— IN THE DETAIL UP TO AND INCLUDING 15° DIAMETER, THESE INSTRUC- nN
M1)’—S9// 2’ TIDNS DO NOT APPLY TO INSTALLATIONS WHERE TEES OR WYES ARE USED. A TRENCH BOTTOM
NOTES CONTINUED VIEW SHOWING TRENCH BOTTOM “WATER. 5, 23 GALLONS PER BAG CEMENT
FORMWORK LEFT IN PLACE. NO FERROUS METAL CHANGE AT ENCASEMENT -MAXIMUM SIZE OF AGGREGATE! 1 INCH
BACKFILLING BEFURE CONCRETE ROD OR PIPE 7- TESTING. THE COMPLETED HOUSE SEWER SHALL BE SUBJECTED TO A LEAKAGE TEST IN ANY OF THE FOLLOWING MANNERS (PRIOR TO BACK-
HAS TAKEN INITIAL SET ¢7 HR. (SEE NOTE 11) FILLING? 10- IF FULL ENCASEMENT IS UTILIZED, DEPTH OF CONCRETE
BACKFILLING TO BE BROUGHT UP A. AN OBSERVATION TEE SHALL BE INSTALLED AS SHOWN AND, WHEN READY FOR TESTING, AN INFLATABLE BLADDER OR PLUG SHALL BE INSERTED 4“ IF FULL _ENCASEMENT a
EVENLY ON ALL SIDES JUST UPSTREAM FROM THE OPENING IN THE TEE AFTER INFLATION, WATER SHALL BE INTRODUCED INTO THE SYSTEM ABOVE THE PLUG TO BELOW PIPE SHALL BE 1/4 1,D. ¢4” MIN. > BLOCK SUPPORT
. A HEIGHT OF 5 FEET ABOVE THE LEVEL OF THE PLUG. SHALL BE SOLID BLOCKS.
B, THE PIPE SHALL BE LEFT EXPOSED AND LIBERALLY HOSED WITH WATER TO SIMULATE AS NEARLY AS POSSIBLE, WET TRENCH CONDITIONS OR,
IF THE TRENCH IS WET, THE GROUND WATER SHALL BE PERMITTED TO RISE IN THE TRENCH OVER THE PIPE, INSPECTIONS FOR LEAKS SHALL BLANKET 11- WATER LINES SHALL BE SEPARATED FROM SANITARY SEWER
6’ MIN. RISE IN THE TRENCH OVER THE PIPE. INSPECTIONS FOR LEAKS SHALL BE MADE THROUGH THE CLEANOUT WITH A FLASLIGHT, LINES BY A TEN FOOT HORIZONTAL DISTANCE.
ALL AROUND C. DRY FLUORESCENT DYE SHALL BE SPRINKLED INTO THE TRENCH OVER THE PIPE, IF THE TRENCH IS DRY, THE PIPE SHALL BE LIBERALLY -
_ HOSED WITH WATER, OR IF THE TRENCH IS, GROUND" WATER SHALL BE PERMITTED TO RISE IN THE TRENCH DVER THE PIPE, OBSERVATION 1/4 ID 12- WHENEVER SANITARY SEWER MUST CROSS WATER MAINS, THE SEWER
CONCRETE = FOR LEAKS SHALL BE MADE IN THE FIRST DOWNSTREAM MANHOLE, > 4° MIN, > SHALL BE CONSTRUCTED AS FOLLOWS:
(SEE NOTE 12) LEAKAGE OBSERVED IN ANY OF THE ABOVE ALTERNATE TESTS SHALL BE CAUSE FOR NDN-ACCEPTANCE AND THE PIPE SHALL BE DUG-UP IF
45 —| NECESSARY AND RE-LAID SO AS TO ASSURE WATER-TIGHTNESS. (A) SEWER PIPE SHALL BE CLASS 52 DUCTILE IRON FOR A MINIMUM
wore TEE OR WYE O° AbhFIAe DRAINS OR SUMP PUMPS, OR ANY OTHER SIMILAR CONNECTIEN CARRYING RAIN WATER, DRAINAGE. OR GROUND WATER, SHALL NOT BEC CONCRETE eee eee eee ee
6° MIN eV PERMITTED, , , , ’ 1/4 1D GaP MIND SEE NOTE 9) ¢B> JOINTS SHALL BE MECHANICAL TYPE WATER PRESSURE RATED WITH
1 , ZERO LEAKAGE WHEN TESTED AT 25 POUNDS PER SQUARE INCH FOR
9- HOUSE WATER SERVICE SHOULD NOT BE LAID IN THE SAME TRENCH AS THE SEWER SERVICE, BUT WHEN NECESSARY SHALL BE PLACED ABOVE AND TO GRAVITY SEWERS AND 1-1/2 TIMES WORKING PRESSURE FOR FORCE MAINS
TNE STDE OF THE HOUSE SEWER AS SHOWN. 6° MIN, AND JOINTS SHALL NOT BE LOCATED WITHIN 9 FEET OF THE CROSSING,
- BEDDING: SCREENED GRAVEL AND/OR CRUSHED STONE FREE FROM CLAY, LOAM, ORGANIC MATERIAL AND MEETING ASTM C-33 STONE SIZE 67.
Ty PEED GRAVEL QNDCOR CRUSHE FR oat LOAM, ORGANS MOTE ¢C) VERTICAL SEPARATION OF THE SANITARY SEWER AND WATER MAIN
1/4 I. D, 20-55% PASSING 3/8 INCH SCREEN 0-10% PASSING #4 SIEVE SHALL NOT BE LESS THAN 18°.
C4" MIN.) = —-| 6 BEDDING 0-5% PASSING #8 SIEVE CONCRETE FULL ENCASEMENT
MIN! WHERE ORDERED BY THE ENGINEER TO STABILIZE THE BASE, SCREENED GRAVEL OR CRUSHED STONE 1/2 INCH TO 1-1/2 INCH SHALL BE USED, CSEE NOTE 10)
CHIMNEY 11- LOCATION, THE LOCATION OF THE TEE OR WYE SHALL BE RECORDED AND FILED IN THE MUNICIPAL RECORDS. IN ADDITION, A FERROUS SECTION A~A
te METAL ROD OR PIPE SHALL BE PLACED OVER THE TEE OR WYE AS DESCRIBED IN THE TYPICAL “CHIMNEY” DETAIL, TO AID IN LOCATING
CSEE NOTE 13) THE BURIED PIPE WITH A DIP NEEDLE OR PIPE-FINDER.
12- CONCRETE, CONCRETE SHALL CONFORM TO THE REQUIREMENTS FOR CLASS A (3000#) CONCRETE OF THE NEW HAMPSHIRE DEPARTMENT OF TRANSPORTA-
THEN ST Aine SPEPTE ICAL ES Cire Pag STANDARD TRENCH SECTION
LJ a
HOUSE SEWER DETAILS WATER: 5,29 GALLONS PER” BAG CEEMENT CEE Ee TTT op
MAXIMUM SIZE OF AGGREGATE: 1 INCH INCLUDED IN THE CONTRACT DDOICUMENTS.
13- CHIMNEY: IF VERTICAL DROP INTO SEWER IS GREATER THAN 4 FEET, A CHIMNEY SHALL BE CONSTRUCTED FOR THE HOUSE CONNECTION, ee a Se TOTO Tose
SPECIFICATIONS. =
.. J
ft ft Nf NT PAX MAP PARCEL
NASHUA, NEW HAMPSHIRE TASMAE PARCEL
CITY OF NASHUA NEW HAMPSHIRE PLAN OF Paani socal
CITY ENGINEER'S OFFICE 2017 SEWER PROJECI |
PROPOSED WORK SHEET
NASHUA, NEW HAMPSHIRE 03062 AAD | DRAWN BY. DESIGNED BY REVIEWED BY DETAIL SHEET 3 24
} MA.ME.NH.RI-VT
JUNO. REVISION DESCRIPTION DATE JL. N. QUINTERO J. MENDOLA B. KEATING Jk . OF 24 J
