DESIGN AND CONSTRUCTION STANDARDLeesburg in …

REVISIONS

DESIGN AND CONSTRUCTION STANDARD

NO. DATE:DRAWINGGN-1

PAGE1

Not To Scale

The Town ofLeesburg in Virginia

1 GENERAL NOTES

ARTICLE 2 (WATER AND FIRE REGULATIONS)General Notes

1. When the designation M.J. appears on a standard, mechanical joints are required.

2. Allowable materials for use in water distribution networks include, but are not limited to the following:

A. Pipe

(1) Ductile iron Pipe Class 52

Pipe and fittings shall be centrifugally cast conforming to ANSI/AWWA, C-15-A21.5 and ANSI/AWWA, C-151/A21.51. Pipe interior shall be cement-lined with bituminous seal coating conforming to ANSI/AWWA, C-104/A21.4. Joints used for ductile iron shall be rubber gasket push- on type conforming to ANSI/AWWA C-110/A21.10. Gaskets shall be plain rubber, of heavy section and high durometer, single molded. The lubricant shall be nontoxic, tasteless, odorless grease that will not support bacteria and shall meet or exceed AWWA standards and/or those of the National Sanitation Foundation. The exterior coating shall be a bituminous coating conforming to ANSI/AWWA, C-151/A21.5.

(2) PVC-C-900

PVC-C-900 pipe may be used and must conform to ANSI/AWWA, C-900 specifications.

(3) Copper Pipe Type "K"

Copper pipe 3/4" for home service, and larger lines of 1" and 2" in diameter, shall be type "K" seamless copper tubing meeting or exceeding federal specification WWT-799-A. Fitting for copper pipe shall be flared or compression type with a coupling nut and friction ring in accordance with AWWA C-800. Connections (3/4" and 1") to watermains shall be made by using Ford (F100) Mueller corporation stops meeting AWWA C-900 specifications or approved equal. Couplings for connection to iron pipe shall be Ford, Mueller or approved equal. Compression couplings requiring sleeve adapter kits to make up the difference in pipe diameters are not acceptable.

REVISIONS


NO. DATE:DRAWINGGN-2

PAGE2


Not To Scale

1 GENERAL NOTES

B. Meters

1. All service connections shall be metered. Meters shall be purchased from the Town of Leesburg.

2. For specific meter locations and sizes which may be used, refer to Article 2, Section 2-340 and Details WD-10 and WD-11.

C. Meter Crock, Setter, Frame and Cover

1. Meter crock, setter, frame and cover shall be purchased from the Town of Leesburg.

D. Valves

1. Gate valves 2" and larger shall be Kennedy, Mueller, or approved equal, and conform to AWWA specification C-500. Valves shall be iron body nonrising stem resilient wedge type, and capable of withstanding 150 psi working pressure.

2. Butterfly valves shall be class 150B and shall be in conformance with AWWA C-504. Butterfly valves shall have mechanical joint ends in accordance with ANSI / AWWA, C-111 / A21.11.

3. Valves are to be housed in valve boxes and shall have 2" square operating nuts. Valve boxes shall be Mueller 10360 or approved equal.

E. Tracer Wire and Warning Tape

1. All PVC (water and sewer) pipes and laterals shall be provided with a warning tape and tracer wire.

2. The warning tape shall be placed 1' above the crown of pipe.

3. The tracer wire shall be attached to the top of the pipe and exposed at cleanouts. On pipelines without cleanouts, the wire shall be exposed in a special hand hole box.

4. The tracer wire specificiations shall be as follows: a. Wire size: No. 12, stranded, type THHN, thermoplastic insulated with blue color coded nylon jacket for water and green color coded for sewer. b. Wire connectors shall meet the following criteria: - Connector, wire, set screw pressure type for use with No. 12 stranded wire size. - Connector, wire, C-tap for two-way splicing of tracer wire for use with No. 12 stranded wire size. - Connector, wire, split bolts, three-wire type for use with No. 12 stranded wire size. c. Wire nuts shall be non-conductive for No. 12 stranded wire size. d. Electrical coating shall be Scotchkote 3M electrical coating or equivalent. e. Electric tape shall be 3M Super 33+ Scotch brand premium vinyl electrical tape or equilvalent.

10/16/0723 04/27/10

REVISIONS


NO. DATE:DRAWINGWS-1

PAGE3

Not To Scale


1

ARTICLE 2-122.4D(5)

1" WATER SERVICE AND5

8", 34", or 1" METER

Corporation stop:Inlet: AWWA taperthreadOutlet: CompressionPack Joint

Extend supply line to theproperty line or edge of easement.

Meter crockAnglebetween30 and 45degrees

4' min.

30" min.

Top of ground orfinished street surface

Lid to be placed:2" above finished grade prior to sodding.1" above finished grade prior to seeding.Flush with final surface when located in sidewalkor trail.

Service Line

Dual check valve

1" type "K" seamless copper tubing

Water Main

A. Refer to water details WD-10 and WD-11 of Article 2 for sizing combinations of the service line and meter.B. This detail is for 5

8", 34" or 1" Water Meter.

C. See WD-21, 22 and 23 for meter crock, meter setter and frame and cover specifications.D. See GN-2 for additional requirements.E. The meter setter and cross bar shall be centered in the crock and equidistant from the inside edge of the crock.F. Well draining select material or gravel to be placed under meter crock.G. Top of water meter crock lid shall not be higher than the final grade of surrounding surfaces including brick or concrete sidewalk, curb, asphalt trail or seeded/sodded area.

1" type "K" seamless copper tubing

20"-24"

Easement orProperty Line

NOTES:

6" Compacted gravelVDOT No. 68 or 78

10/16/072

REVISIONS



PAGE4


20"-24"

Not To Scale

1

ARTICLE 2-122.4D(5)

112" OR 2" WATERSERVICE AND

METER CONNECTION

Extend supply line to theproperty line or edge of easement.

Meter Crock

4' min.

Top of ground orfinished street surface

Service Line

Dual check valve

Type "K" seamless copper tubing

Easement orProperty Line

NOTES:

A. Refer to Article 2 water details WD-10 and WD-11 for service line and meter sizing combinations.B. This detail is for a 11

2" or 2" Water Meter.C. See WD-21, WD-22, and WD-23 for meter crock, meter setter, and frame and cover specifications.D. See GN-2 for additional requirements.E. The meter setter and cross bar shall be centered in the crock and equidistant from the inside edge of the crock.F. Brass adapters are required for the installation.G. Well draining select material or gravel to be placed under meter crock.H. Top of water meter crock lid shall not be higher than the final grade of surrounding surfaces including brick or concrete sidewalk, curb, asphalt trail, or seeded / sodded area.

6" Compacted gravelVDOT No. 68 or 78


10/16/07204/27/103

18" x 18" x 6"concrete collar

with #3 rebar cageif located in anunpaved area

Valve box

Watermain

Gatevalve

(4" min.)

Concrete thrustblock

Anchoring coupling (4" min.)

Type "K" seamlesscopper tubing

MJ plug - tappedwith brass fittings

MJ Outlet(4" min.)

REVISIONS



PAGE5


3'-0"

1

ARTICLE 2-340.5A

3" AND LARGER WATERMETER CONNECTION

WITH NO FIRE SERVICE

NOTES:

Not To Scale

12" Min.GravelVDOTNo. 68

or No. 78

TYPICAL SECTION

1" PVC Conduit to building - terminate with a weather proof electrical box - Note N.

A. The site plan drawings will accompany details of the valve vault construction and installation. Shop drawings shall be submitted to the Town for approval.B. Inside ceiling height to be 6'-0" min. pipe centerline 3'-0' above floor.C. Utilize Bilco 36"x36" hinged frame and cover model J-4AL or approved equal with lock.D. Structural design to be certified by a Virginia Professional Engineer.E. Tap at main is to be valved and restrained.F. Slope floor to sump. A gravity drain with screen or sump pump must be provided for the valve vault.G. All valves shall be epoxy coated resilient wedge gate valves with hand wheel operators.H. All pipe within the vault shall be flanged pipe.I. See drawing WS-4 for construction of meter vault assembly.J. The meter vault top must consider the asphalt pavement section if the vault is located in a paved area.K. The water meter will be ordered by the Town and paid for by the owner.L. The access hatch shall be flush with the finished grade.M. Vault and hatch shall be designed for HS-20 loading when subject to traffic loading.N. Contractor to provide PVC conduit with required wiring through vault wall to the building wall where receptacle box will be provided for wall mount MTU.

Precast concretemeter vault

4' Min.

Access hatchwith lock

Var

ies

See

Not

e J

6'-0" Min.

12" Min.

Ductile iron pipe withMJ fittings

Asphalt Coated

Link seal (typ.)or Approved Equal

10/16/07204/27/103

REVISIONS



PAGE6


1

ARTICLE 2-340.5A

Not To Scale

A. The site plan drawings will accompany details of the valve vault construction and installation. Shop drawings shall be submitted to the Town for approval.B. Inside ceiling height to be 6'-0" min. pipe centerline 3'-0' above floor.C. Utilize Bilco 36"x36" hinged frame and cover model J-4AL or approved equal with lock.D. Structural design to be certified by a Virginia Professional Engineer.E. Tap at main is to be valved and restrained.F. Slope floor to sump. A gravity drain with screen or sump pump must be provided for the valve vault.G. All valves shall be epoxy coated resilient wedge gate valves with hand wheel operators.H. All pipe within the vault shall be flanged pipe.I. The meter vault top must consider the asphalt pavement section if the vault is located in a paved area.J. The water meter will be ordered by the town and paid for by the owner.K. The access hatch shall be flush with the final grade.L. Vault and hatch shall be designed for HS-20 loading when vault subject to traffic loading.M. See drawing WS-3 for additional information.N. Contractor to provide PVC conduit with required wire through vault wall to the building wall where receptacle box will be provided for wall mount MTU.

NOTES:

Uni-Flange

Meter

Strainer

Asphalt coated

FlowFlow

# O

12"x12"Sump

Ladder

WaterproofLight Switch

Waterproof120 V Receptacle

O

WaterproofWall Light

Valve (Typ.)


ConcreteSupports(Typ.)

Flanged by MJWall Pipe

Suggested Minimum DimensionsMeter Size A B 3" 9'-0" 7'-0" 4" 10'-0" 7'-0" 6" 10'-0" 7'-0"

5X Dia Min

A

B

1'-0" Min1-6" Max

1'-0" Min

2'-0

" Min

PLAN VIEW

1'-0"Min Bypass

12" MinGravelVDOT

No. 68 orNo. 78

3" AND LARGER WATERMETER INSTALLATIONWITH NO FIRE SERVICE



1" PVCElectricalConduit

10/16/072

1" PVC Conduit tobuilding - terminatewith a weatherproof electrical boxper Note N.

3 04/27/10

REVISIONS



PAGE7


1

ARTICLE 2-122.4L

BLOW - OFFFIRE HYDRANT

A. Maximum hydrant barrel height is limited to 8'.B. Horizontal setback distance from flow line of gutter or edge of pavement shall be 14" minimum and 24" maximum.C. At contractor's choice, use one of the following arrangements: 1. Strapping between valve and hydrant if the dimensions are less than or equal to 10'. 2. Anchoring coupling between valve and hydrant. 3. Thrust blocks at hydrant.

Not To Scale

4' -

0" m

ax.

1' -

6" m

in.

See Note BScreened gravel pit2' - 0" min. depthextending a min. of 6"above hydrant ring

3,000 PSI concretethrust block set on

undisturbed orcompacted earth

15" x 15" x 6"Concrete blockset on undisturbedor compacted earth6" Dia. ductile iron pipe

6" Anchoring coupling 12"long (min.)

3,000 PSI concrete thrustblock set on undisturbedor compacted earth

6" Gatevalve

Water main

Valve box

18" x 18" x 6" concrete collarwith #3 rebar cage

Existing groundsurface orfinished grade

Two - 34" Dia. coated bars are

required for strapping

Hydrant asspecified

Rotate towardstreet as indicatedon plans

45° bend

NOTES:

10/16/072

REVISIONS



PAGE8


SAMPLE UTILITY SERVICESUMMARY TABLE

Not To Scale

10/16/0723 - NEW 04/27/10

NOTES:

FirelineGrease TrapLateral (in)ABCDE

Building

Utility Services Summary TablePROJECT NAME: ___________________________________________________________________

SupplyMeterService Pump Dom.Use / Sq Ft50,0004,0006,000

10,00015,000

4"4"4"4"4"

NoYesNoYesNo

2"1"1"2"1"

2"1"1"

1.5"1.5"

2"2"2"2"2"

6"6"6"6"6"

NoNoNoNoNo

Pump FireYesYesYesYesYes

A. A table similar to the one above shall be placed on one of the plan sheets.

ARTICLE 2-122 4.K., 2-270, 2-340 2. & 9.

REVISIONS



PAGE9


1

ARTICLE 2-122.4M

AUTOMATIC AIRRELEASE VALVE

A. Tapping saddle must be epoxy coated with stainless steel straps or all brass.B. Acceptable valve manufacturers are: Valmatic, APCO, Crispen, or approved equal.C. Manhole cover must be flush with final grade.D. Localized dips in water mains are not allowed to avoid use of air release valves.E. Manhole has an 8" by 1' - 6" ring bottom as shown.

Not To Scale

SECTION VIEW

Water main

6' Diameter riser

Automatic airrelease valve

4 Ea. #6 reinforcing barsaround MH openingat a 45° with main

2"

2" Brass

8"

6"

6"

1' - 6"

5" min.

Water main

Gate valve6" MJ Plug (Tapped 2")

Tee

4' -

0"m

in.

2" Brassvent tube with

16 mesh stainlesssteel screen

2" Combination airvacuum release

valve

6' -

2" m

in.

Tee with valve is to allowtesting of automatic valve

Manhole ring

PLAN VIEW

Open graded gravelVDOT #68 stone absorption pit

Standard manhole frame andcover with "W" cast in cover

10/16/072

Pipe embedment material

3 04/27/10

NOTES

REVISIONS



PAGE10


1 1" MANUAL AIRRELEASE

Not To Scale

ARTICLE 2-122.4M

A. Easement must be expanded to provide 5' clearance from air release.B. If outside paved area, provide 18" x 18" x 6" concrete collar with #3 rebar cage around the valve boxes.C. For use on 6" pipes.

4' to 5'

Varies1" Type "K" copper tubing

1" Curb stop 1" Brass nipple12" long min.

1" Brass90° elbowValve boxes

34" x 1" Threaded

corporation stop and90° elbow

PLAN VIEW

4' - 0"3' min. 30"

Valve boxesFinished grade

1" Brass nipple12" long min.

1" Brass nipple90° elbowGravel

1" Curb stop

1" Type "K" copper tubing

34" x 1" Threaded

corporation stop and90° elbow

ELEVATION VIEW

Water main

NOTE:

10/16/07204/27/103

REVISIONS



PAGE11


1 2" MANUAL AIRRELEASE

Not To Scale

ARTICLE 2-122.4M

4' to 5'

Varies

2" Type "K" copper tubing2" Curb stop or 2" gate valve


2" Brass90° elbowValve boxes

2" Threadedcorporation stop with

a 90° elbow

PLAN VIEW

3' min. 30"

Valve boxesFinished grade


2" Brass nipple90° elbowGravel

2" Curb stop or2" gate valve

2" Type "K" copper tubing

2" Threadedcorporation stop with

a 90° elbow

ELEVATION VIEW

Water main

NOTE:

A. Easement must be expanded to provide 5' clearance from air release.B. If outside paved area, provide 18" x 18" x 6" concrete collar with #3 rebar cage around the valve boxes.C. For use on 8" and 10" pipes.

10/16/07204/27/103

REVISIONS



PAGE12


1 STANDARD CASINGINSTALLATION

A. Casing ends must utilize Link Seal and casing end sealer per manufacturer's recommendations. The acceptable manufacturers are Cascade, PSI Casing Spacers or approved equal. B. The steel casing for boring and jacking for highway crossings shall be welded steel pipe with a minimum yield strength of 35,000 PSI. The wall thickness shall be 3

8" for pipes up to 36" in diameter and 1

2" for pipes 42" or greater in diameter. C. The steel casing shall be shop primed inside and outside with one coat of inertol rust inhibitive primer No. 621 or equal. D. The steel casing shall conform to the requirements of ASTM designation grade "B". E. Main pipe shall be ductile iron (Water or Sanitary Lines) or PVC C900/905 (Sanitary Only) with restraint joint pipe within the casing (mega-lug, super-lok, or snap-lok).

ARTICLE 2-338

Not To Scale

CASING PIPE SIZE

PIPESIZE

(inches)

68

10121416182024

CASING PIPESIZE

(inches)

162024243030363636

Casing pipe

Main Pipe

Polyethylene spacersat 8' to 12' spacing,and 1 spacer within1' of each side ofbell or flange

NOTES:

10/16/072

REVISIONS



PAGE13


1 LINER PLATETUNNEL

A. Applicable to both water and sanitary sewer lines.

B. Liner plate sizes will be reviewed on a case-by-case basis by the Director prior to approval.

C. Proposed main shall be ductile iron and joints restrained by means of snap-lok, mega-lug, or super-lock restrained joint.

D. Tunnel plate ends must utilize Link Seal and casing end sealer per manufacturer's recommendations. The acceptable manufacturers are Cascade, PSI Casing Spacers or approved equal.

ARTICLE 2-336.5

Not To Scale

Proposed main

Liner plate

Void to be filled with sand orcrushed blue stone dustafter carrier pipe is inplace.

VDOT class "D" concreteplaced to approximate gradeafter liner plate pipe is in place.

Oak wood skids bolted withdouble lock bolts and bandedto main 6' - 0" on center as shown.

2" m

in.

1" metal band

NOTES:

10/16/072

REVISIONS



PAGE14


1 THRUST BLOCKS

Not To Scale

ARTICLE 2-122.4O

A. The above table is based on 3,000 PSF soil bearing capacity.B. Concrete anchor block dimensions for tees to be same as for 90° bends.C. Anchor block design for pipe larger than 24" shall be reviewed on an individual basis by the Director.D. Height of concrete anchor block above pipe centerline is

13 the H dimension.

E. Concrete strength (f"c) shall be 3,000 psi.F. Anchor block design for pipes larger than 24" shall be reviewed on an individual basis by the Town.G. Wrap fitting with polyethylene sheeting. Concrete must not obstruct access to mechanical joint assembly.

PLAN VIEW

Undisturbedearth

H

H

H

L

L

L

45°

45°

45°

2' - 0"

2' - 0"

3"

B

BAA

SECTION A-A

SECTION B-B

PLAN VIEW

Plug

904522.511.25

904522.511.25

904522.511.25

904522.511.25

904522.511.25

2.52.51.51.5

4.02.52.52.0

5.04.02.52.0

7.55.03.03.0

8.56.04.54.5

11.0 7.0 5.0 5.0

6.55.54.04.0

6.04.53.03.0

4.53.53.03.0

4.02.52.01.5

2.02.01.01.0

2.01.01.01.0

904522.511.25

24

20

16

12

8

6

150 PSI WorkingPressure

HL

Degreeof

Bend

PipeSize

Inches

MINIMUM CONCRETE ANCHORBLOCK DIMENSIONS - FEET

NOTES:

Min1'

3 04/27/10

Min1'

REVISIONS



PAGE15


1

ARTICLE 2-122-4O

ANCHORAGE FOR111

4°, 2212° AND 45°

UPPER VERTICAL BENDS

Bend3"

1114°

L

W

NOTES:

1. f1 = 3,000 PSI at 28 days.2. Carry all bearing surfaces to undisturbed earth or firm subgrade.3. The anchorage dimensions are based on the total pressure of 150 PSI. Where the pressure is different, the volume of concrete (i.e. LxWxD) shall be proportioned to required pressure. Soil bearing pressure is 2,500 PSI.

Not To Scale

Reinf. bars

D

4" 6" 8" 10" 12" 16" 20" 30"24"

Size

1'-6" 2'-0" 2'-3" 2'-6" 3'-3" 4'-0" 4'-6" 5'-0"

2'-0" 2'-3" 2'-6" 3'-3" 4'-0" 4'-6" 5'-0"

3#7

3'-0"3'-0"2'-6"2'-6"2'-3"

1'-6"

1'-6"

1'-6"

1'-6"

1'-6" 1'-6"

2'-0"

2'-0"

2'-0" 2'-0"

3#7 3#7 3#8 3#8 3#8 3#8 3#10 3#10 3#10

2212°

2'-3"2'-3"

2'-9"

2'-6"1'-6"

2'-0"

1'-6"

1'-6"

2'-6" 3'-0" 3'-6" 4'-0" 4'-6"

7'-0"6'-0"5'-6"4'-6"4'-0"3'-6"2'-6"

D

W

2'-9"2'-0" 7'-0"6'-0"5'-6"4'-6"4'-0"3'-6"2'-6"1'-6"L

4#104#103#104#84#83#83#83#73#73#7Reinf. bars

Reinf. bars 3#7 3#7 3#7 3#8 4#8 4#8 4#8 4#10 4#10 4#11

L 2'-0" 3'-0" 4'-0" 4'-6" 6'-0" 7'-6" 8'-6" 10'-0"2'-6" 3'-6"

W

D

3'-0" 4'-0" 4'-6" 6'-0" 7'-6" 8'-6" 10'-0"

5'-0"4'-6"4'-0"3'-6"3'-0"

2'-0"

1'-6"

2'-6"

2'-0" 2'-0"

3'-6"

2'-6" 2'-9"

45°

Total pressure as defined in the standard specifications.

Where 4 reinforcing bars areused symmetrically, place 2bars at the bend and theothers as depicted in theelevation view.

Pipe dia.8" min.

ELEVATION VIEW

L

Min. D

12" min.clearance 12" min.

clearance

6" min. 8" min.

1" x 2" Double actingsteel wedges

Embed reinforcing bars a minimum of 36diameters including the hook. Paint theexposed bars with two coats of bituminouspaint.

PLAN VIEW

L

W

TYPICALWEDGES

REVISIONS



PAGE16


1

ARTICLE 2-122-4O

BUTTRESSES FOR111

4°, 2212° AND 45°

LOWER VERTICAL BENDS

Bend3"

1114°

L

M

NOTES:

1. f1 = 3,000 PSI at 28 days.2. Carry all bearing surfaces to undisturbed earth or firm subgrade.3. The anchorage dimensions are based on the total pressure of 150 psi. Where the pressure is different, the area of concrete block (i.e. L&M) shall be proportioned accordingly. Area adjustment for required pressure shall be made first before making adjustment for soil bearing pressure.

Not To Scale

N

4" 6" 8" 10" 12" 16" 20" 30"24"

Buttress for lower vertical bends

6"

1'-2" 1'-6" 2'-0" 2'-4" 2'-8" 3'-0" 3'-4"1'-0"

8"

1'-4"

2212°

N

M

L

L

M

N

45°

Total pressure as defined in the standard specifications.

ELEVATION VIEW

SECTION A-A

8" 8" 8" 8" 8" 9" 10" 12" 1'-2"

6" 6" 8" 8" 8" 1'-1" 1'-5" 1'-10" 2'-8"

1'-0"

1'-0"

5'-3"3'-7"2'-9"2'-1"1'-4"1'-3"11"10"8"

1'-6"1'-4"1'-2"12"9"9"8"8"8"

1'-2"

8"

1'-0" 3'-2"2'-8"2'-4"2'-0"1'-6"1'-4"1'-2"

6"

10"

1'-2" 1'-6" 2'-0" 2'-4" 2'-8" 3'-6" 4'-0"1'-0"

8"

1'-4"

8" 8" 8" 12" 1'-2" 1'-6" 2'-0" 2'-6" 3'-0"

1'-0" 1'-2" 1'-9" 2'-5" 2'-8" 4'-0" 5'-6" 6'-0" 8'-2"

1'-0"

Eq.Eq.

L

6" min.

Eq.

M

Eq.

N

CLLCA

A

REVISIONS



PAGE17


1 STRAPPING

NOTES:

A. Rods shall be at least 36,000 PSI yield strength and field coated.B. Duc lugs or Eyebolts are also acceptable.

ARTICLE 2-122.4P

Not To Scale

34" Hex. nut

3"4"6"8"10"12"16"20"24"30"

2222468121620

24"24"27"27"27"27"36"36"36"42"

Maximum length ofspigot pipe

Number of 34" dia.

bars requiredValvesize

34" Hex. nut

18" Thick steel pipe sleeve

(7 8" I.D.) x 2" long maximum

Gland34" Dia. bars threaded 8"

minimum on both ends

GasketSpigot

Bell

Sleeve to fitcurvature of bell

REVISIONS



PAGE18


1WATER, STORM

& SANITARYEASEMENTS

NOTES:

A. Public easement width shall be determined based on 1:1 side slope extending from the finished grade to outside edge of pipe (nominal pipe diameter) rounded up to the nearest 1' increment.

B. This easement shall extend along the entire length of the subject pipe to the centerline of the upstream and downstream structure.

ARTICLE 2-123.8

Not To Scale

SINGLE PIPE

MULTIPLE PIPES

Finished grade

Easement width

Full

dept

h

D

11

11

D D

D = Pipe diameter, culvert width, or elliptical pipe span

Easement width

REVISIONS



PAGE19


1 DEAD ENDFIRE HYDRANT

Thrust block at the 90° bend and the hydrant.

Hydrant to be either blocked or strapped to dead end anchor. When strapping is utilized, the 5' distancemust be increased to 10'.

ARTICLE 2-240.7

Not To Scale

Dead endanchor

Face of curb

5' min.

5' min.

5' min.

Valve(typ.)

Fire hydrant (typ.)

Thrust block (typ.)

R.O.W.

ALTERNATE "B" ALTERNATE "A"

W

W

A. Engineer may choose either option.B. Waterline must be located to the north or east of road centerline.C. Dead end anchor and blocks to be poured to undisturbed earth.

NOTES:

ALTERNATE "A"

ALTERNATE "B"

REVISIONS



PAGE20


1

ARTICLE 2-260.2 & 2-390.2A

FIRE HYDRANT

Not To Scale

Rotate towardstreet as indicatedon plans

Hydrant asspecified

Two 34" dia. coated bars are

required for strapping


18" x 18" x 6"concrete collar

Valve box as specified

Water main 6" Mech. jointgate valve

3,000 PSI concrete thrustblock set on undisturbedor compacted earth

6" Anchoring coupling 12"long (min.) or swivel hydrant tee

6" Dia. ductile iron pipe

15" x 15" x 6" Concreteblock set on undisturbedor compacted earth

3,000 PSI concretethrust block set onundisturbed orcompacted earth

Screened gravel pit2' - 0" min. depthextending a min. of 6"above hydrant ring

See Note B

1' -

6" m

in.

4' -

0" m

ax.

NOTES:

A. Maximum hydrant barrel height is limited to 8'.B. Horizontal setback distance from flow line of gutter or edge of pavement shall be 14" minimum and 24" maximum.C. At contractor's choice, use one of the following arrangements: 1. Strapping between valve and hydrant if the dimensions are less than or equal to 10'. 2. Anchoring coupling between valve and hydrant. 3. Thrust blocks at hydrant.

10/16/072

REVISIONS



PAGE21


1 DEAD ENDANCHOR

Not To Scale

ARTICLE 2-310.12

DEAD END ANCHOR SCHEDULE

Line size A DB C6"

8"

10"

12"

2' - 0" 1' - 6"

1' - 6"

1' - 6"

1' - 6"2' - 0"

1' - 6"

1' - 3"

1' - 0"

1' - 6"

1' - 6"

1' - 0"

1' - 0"

2' - 0"

2' - 6"

2' - 3"

A (min.)B

(min.)B

(min.)

C (m

in.)

D(m

in.)

SECTION VIEW

4 #6 Barsabove pipe

3 #5 Bars above pipe

4 #6 Bars below pipe

PLAN VIEW

ELEVATION VIEW

Center line gate valvefor strapping detailsee drawing WS-15

Water line

Mechanical joint plug

Mega lugretainer glandor approved equal

Mechanicaljoint plug

4' - 0"(min.)

2' - 0"(min.)

5"9"

NOTES:

2' - 0"2' - 6"4' - 0"3' - 6"24"

16" 2' - 9" 3' - 0" 2' - 0" 1' - 6"

10/16/072

A. Bearing area is based on 150 PSI test pressure and a soil bearing pressure of 2,000 PSF.B. Increase block dimensions as required on soils with lower bearing values.C. Concrete strength (f'c) shall be 3,000 PSI.D. Dead end anchor design for pipes larger than 24" shall be reviewed on an individual basis by the Director.E. Wrap the pipe with polyethylene sheeting to 6" beyond the concrete encasement.

3 04/27/10

REVISIONS



PAGE22


1 RESTRAINED JOINT

A. Snap-lok or approved equal restrained joint pipe will be acceptable.B. Use of mega-lug (or approved equal) joint pipes will be accepted in lieu of proprietary restraint joint piping. Refer to Article 2, Section 2-315 for specifics.

ARTICLE 2-315

Not To Scale

BA Dia.Size

Laying length

C DLayinglength

Defl.angle

6 11.44 3/8 3-1/2 6.51 19' - 11" 4°

10 16.44 1/2 4-1/4 7.25 19' - 10" 4° 8 13.97 3/8 4 7.19 19' - 10" 4°

12 18.75 1/2 4 8.01 19' - 10" 4°14 20.96 1/2 5-1/4 8.88 19' - 9" 3°

18 25.72 5/8 5-3/8 9.20 19' - 8" 3°16 23.22 1/2 5-1/4 8.95 19' - 8" 3°

24 32.54 5/8 6-1/4 10.58 19' - 6" 3°20 27.85 5/8 6 9.88 19' - 7" 3°

Dimensions in inches.

"A" Dia.

"C"

NOTE:

"B"

"D"

1/2" Sq.

04/27/103

REVISIONS



PAGE23


1PERMANENT2" BLOW OFF

(PAVED AREAS)

Not To Scale

A. Blocking shall extend beyond the water main to undisturbed ground.B. This blow off must be used when the valve boxes are located within paved areas.C. Easements must be extended to provide 5' of clearance from blow off assembly.D. Wrap the pipe and fittings with polyethylene bags when in contact with concrete.E. All brass pipe shall have iron pipe threads (IPT).F. Concrete strength (f"c) shall be 3000 psi.

ARTICLE 2-122.4L

StandardValve boxes

Undisturbedground

2" Dia. brass nipple

Level with topof water main

2" Brass elbow

2" x 1' - 0" Brass nipple2" x 1' - 0" Brass orcopper nipple

Water main

Tapped plug

2" Gate valve withthreaded ends and 2"square nut

Finished grade

Sta

ndar

dtre

nch

wid

th

StandardValve boxes

Undisturbedground

Water main(size varies)

AA

30"

4"

PLAN VIEW

SECTION A-ANOTES:

10/16/072

REVISIONS



PAGE24


1 VALVE STEMEXTENSION

ARTICLE 2-320.7

Not To Scale

Finished grade

StandardValve Box

2" Squareoperating nut

1" Dia. solid steel bar or11

4" dia. steel pipe 2" Square valveoperating nut

12" - 24" max.

NOTE:

A. Valve stem extensions to be used when valve nut is 4' or more from the finished grade.B. Valve boxes outside paved areas shall be provided with 18" x 18" x 6" concrete collar with #3 rebar cage.

04/27/103

REVISIONS



PAGE25

Not To Scale


1

ARTICLE 2-340.1

DOUBLE METERINSTALLATION

Corporation stopinlet: AWWA taper thread PL

Water Main

1" Type "K"seamless copper tubing

34" Copper setter

A. Double meters to be used for townhouses or duplexes.B. Both meters are located inside one meter crock.C. See WD-21, 22 and 23 for meter crock, meter setter and frame and cover specifications.D. See GN-2 for additional requirements.E. Well draining select material or gravel to be placed under meter crock.F. Meters shall be located within the utility strip and top of water meter crock shall not be higher than the final grde of surrounding surfaces including brick or concrete sidewalk, curb, asphalt trail or seeded/sodded area.

Service line

4' m

in.

30" m

in.

30"

20" m

in.

24" m

ax.

Extend supply line to the propertyline or the edge of easement

Anglebetween30 and 45degrees

Watermeter

Watermeter

PLSupply lines

Back of curb

Face of curb

1" Type "K" seamlesscopper tubing, service line

2' U

tility

stri

p

34"3

4"

Meter crock

34" Type "K" seamless copper

tubing to property line

NOTES:


10/16/072

REVISIONS



PAGE26


1

ARTICLE 2-360.2

PERMANENT2" BLOW OFF

(UNPAVED AREAS)

A. To be used outside of paved areas when the line terminates in remote (wooded) areas.Not To Scale

SECTION VIEW

PLAN VIEW

2" Gate valve

Meter crockframe and cover

Center line blow-offmanhole and 2" valve

2" Screwedcap withfire hosethread

2" Drain option

4"

12"

4' 0

" min

.2"

18"

1' - 6"

2" Gatevalve

Concrete orstandardmeter crock

2" Copper or brassblow off pipe

Flanged orscrewed

valve

Water main

Mechanical joint plugdrilled and tappedfor 2" N.P. thread

6" min.typical

Undisturbed groundOpen graded gravel

VDOT #68 stone absorption pit

1' - 6

"

Brick

NOTE:

REVISIONS



PAGE27


1 TEMPORARY2" BLOW OFF

Not To Scale

ARTICLE 2-360.4

A. Use anchor collar as shown or block the plug and entire 2" pipe and bend. See WS-26.B. All brass pipe shall have iron pipe threads (IPT).C. Encase the valve boxes in a 2' x 3' - 6" x 6" concrete collar when located in grass.

18"

Standard valvebox

Finished grade

2" (IPT) Resilient seatgate valve

2" x 12" Long (min.)bronze nipple (IPT) See Note A

Water main

Compactedgravel

Compactedsubgrade

Mechanical jointtapped plug

2" Brass 90°elbow (IPT)

2" x 8" Long bronzenipple (IPT)

2" Brass nipple (IPT)

NOTES:

Mega-lugretainergland

10/16/072

REVISIONS



PAGE28


1 ANCHOR COLLAR

ARTICLE 2-360.4

Not To Scale

A. Bearing area is based on 150 PSI test pressure and a soil bearing pressure of 2,000 PSF.B. Increase block dimensions as required on soils with lower bearing values.C. Concrete strength (f'c) shall be 3000 PSI.D. Anchor collar design for pipes larger than 16" shall be reviewed on an individual basis by the Town.E. Wrap the pipe with polyethylene bags to 6" outside the concrete encasement.

WUndisturbed

Soil

H /

2

SECTION VIEW

4 each "A" Bars(Length - Pipe Dia x 3.0)

B Bars

A Bars

PLAN VIEW

ELEVATION VIEW

Water line Mega lugretainer glandor approved equal

T

NOTES:

WUndisturbed

Soil

H /

2

ANCHOR COLLAR SCHEDULE

Line size W BARSH T6"

8"

10"

12"

1' - 6" 1' - 0"

1' - 0"

1' - 6"

1' - 6"4' - 0"

3' - 0"

2' - 0"

2' - 0" #6 @ 6"

1' - 6"

2' - 0"

2' - 0"

16" 3' - 0" 4' - 6" 2' - 0"

#6 @ 6"

#6 @ 6"

#6 @ 6"

#6 @ 6"

10/16/072

REVISIONS



PAGE29


1 LATERAL WATERCONNECTION

NOTES:

ARTICLE 2-122.4(O)

Not To Scale

34" Hex. nut

3"4"6"8"10"12"16"20"24"30"

2222468121620

24"24"27"27"27"27"36"36"36"42"

Maximum length ofspigot pipe

Number of 34" dia.

bars requiredValvesize

34" Hex. nut

18" Thick steel pipe sleeve

(7 8" I.D.) x 2" long max.

Gland34" Dia. bar

GasketSpigot

Bell

Sleeve to fitcurvature of bell

SECTION VIEW OF SLEEVE AND BAR ASSEMBLY

Gland

PLAN VIEW

78" I.D. steel pipe sleeve

Spigot pipe

Tee

or c

ross

34" Dia. bars threaded 8"

on both ends. Bars tobe symmetrically placed See anchor collar

detail WS-26Mech. joint plug

Valve

Varies

Pro

perty

line

A. Use mechanical joint fittings only.B. Paint all steel with two coats of bituminous paint.C. Use butterfly valves for 12" dia. and larger pipe.D. Use gate valves for 10" dia. and smaller pipe.E. Rods and nuts, 36,000 PSI yield strength, stainless steel and field coated when cut.F. Applies to all directions of the tee.

10/16/072

REVISIONS



PAGE30


1 VALVING ARRANGEMENTFOR FIRE AND SERVICE LINES

Not To Scale

ARTICLE 2-122.4K

Valve (Typ.)

Watermain

Tee

A. See WS-30 and WS-31 for additional details.B. The tee and valve shall be restrained to the watermain with mega lugs, stainless steel rods, thrust blocks, or proprietary restraining assembly.

NOTES:

10/16/0723 04/27/10

REVISIONS



PAGE30a


1

ARTICLE 2-240.13

FIRE HYDRANTBOLLARDS

NOTES:

Not To Scale

3' -

0"

FireHydrant

1' - 0" Concretefooting


Paint pipeyellow

A. Quantity (Min 2 - Max 4) and placement of bollards to be shown on plans. Field verification may be required.B. Use fire hydrant bollards for protection where an island can not be constructed.C. Refer to water details WS-5 and WS-18 for fire hydrant installation. This detail is for bollard placement only.D. Bollards to be evenly spaced around the hydrant with each offset 2'-6" from the hydrant.

2' -

0"

3' -

0"

Bollards, 4" steelpipe filled withconcrete

SECTION VIEW

TYPICAL 4 BOLLARD PLAN VIEW

2' -

6"2'

- 6"

2' - 6"2' - 6"

10/16/072

REVISIONS



PAGE30b


1

ARTICLE 2-270

COMBINED FIRE LINE ANDDOMESTIC (1", 1.5" OR 2")

SERVICE CONNECTION

Not To Scale

Valve withHand Wheel(Typ.)

Flow

10/16/0723 04/27/10

Valve (Typ.)Watermain(DIP)

Tee

Valve with Hand Wheel(Lock and Chain)Mag

Meter

Backflow

Combined Fire Lineand Domestic Service(DIP)

If Domestic Service line is:1" - Use Direct Tap (Corporation Stop)or1.5" and 2" - Use Stainless Steel Saddleor Tee with Tapped Mechanical Joint Cap

Building Face toSprinkler Room

Water Meter

Domestic Service

A. See WS-32 for applicable notes.B. A 90 degree copper bend will be provided by the Town with the meter setter.C. All pipes from the watermain to the interior backflow prevention device shall be ductile iron (DIP).

NOTES:

MTU


DIP

DIP

DIP

REVISIONS



PAGE30c


1

ARTICLE 2-270

COMBINED FIRE LINE ANDDOMESTIC (3" AND LARGER)

SERVICE CONNECTION

Not To Scale

10/16/0723 04/27/10

Building Face toSprinkler RoomDomestic

WaterMeter

Refer to WS-3and WS-4 for

Piping andVault

ArrangementFire Line(DIP)

Backflow

MagMeter

Valve with Hand Wheel(Lock and Chain)


Flow

Valve (Typ.)Tee

NOTE:A. See WS-32 for applicable notes.B. All pipes from the watermain to the interior backflow prevention devices shall be ductile iron (DIP).

MTU

Watermain(DIP)


Backflow



DIP

DIP

DIP

REVISIONS



PAGE30d


ARTICLE 2-270

NOTES FOR COMBINED FIRELINE AND DOMESTIC SERVICE

CONNECTION

Not To Scale

A. Use ductile iron (DIP) mechanical joint piping and mega-lug restraints for all joints below grade from the main to the building. All pipes inside the building to the backflow prevention devices shall also be ductile iron (DIP).B. Meters will be ordered by Town of Leesburg and paid for by the developer.C. Backflow prevention device: Double check / double gate valve or RPZ shall be located inside the mechancial room for meters larger than 2". Meters 2" and smaller include the required backflow device.D. Contractor to provide conduit through building wall for the wire required for wall mount MTU.E All valves shall be epoxy coated resilient wedge gate valves.F. Meter and backflow devices should be installed horizontally and no higher than 4' from the finished floor. Vertical installations can also be accomodated with mag meter and some brands of backflow devices. Consult with manufacturer for design of vertical installation. In all cases, there must be ample space provided from surrounding walls and floors for maintenance.G. Details WS-30 and WS-31 are schematic and all applicable plumbing codes must be met in addition to the Town's requirements for a combined fire line and domestic service connection.

NOTES:

3 04/27/10

TYPICAL UTILITY SEPARATION CROSS SECTION

REVISIONS



PAGE30e


NOTES:

A. This detail is only a schematic depiction of watermain and sanitary sewer separation per VDH criteria.B. Street dimensions will vary.C. The separation of 12' between the outside diameters of water and sanitary sewer pipes will assure 10' of separation at a 4' manhole. For 5' or 6' manholes, this distance must be increased to 13' or 14' respectively.D. Sanitary sewer manholes shall be located along center line of roadway or centerline of travel lane and not installed in the wheel path of travel lanes.

12'

SEWER

STORM

WATERMAIN

SANITARY

CURB

FACE OF

CURB

TOP OF

S/WS/W

CL

RIGHT-OF-WAY (R.O.W.)

R.O.W.

R.O.W.

HORIZONTALUTILITY SEPARATION

Not To Scale

ARTICLE 2-121-3

3 - NEW 04/27/10

SEWER

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