Appendix C Construction Details

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7172 Kennedy Road Warrenton, Virginia 20187

1 7172 Kennedy Road Warrenton, Virginia Appendix C Construction Details November 2017

2 TABLE OF CONTENTS THRUST BLOCKS Anchorage for 11 1/4 o, 22 1/2 o & 45 o Upper Vertical Bends... AV 01 Buttresses for 11 1/4 o Horizontal Bend... BB 01 Buttresses for 22 1/2 o Horizontal Bend... BB 02 Buttresses for 45 o Horizontal Bend... BB 03 Buttresses for 90 o Horizontal Bend... BB 04 Buttresses for Tees, Plugs and Caps... BT 01 Buttresses for 11 1/4 o, 22 1/2 o & 45 o Lower Vertical Bends... BV 01 GENERAL CONSTRUCTION Pipe Embedment and Backfill for Ductile Iron Pipe... G 01 Pipe Embedment and Backfill for Plastic Pipe... G 02 Typical Gate Valve and Valve Box... G 03 Standard Concrete Cradle and Encasement... G 04 Steel Casing Detail... G 05 Sanitary Sewer Design Calculation Sheet... G 06 SEWER CONSTRUCTION Combination Air/Vacuum Release Valve for Sewage Force Main... SC 01 Waterproof Manhole Insert... SC 02 External Manhole Chimney Seal... SC 03

3 Internal Manhole Chimney Seal... SC 04 Standard 4 ID Precast Concrete Manhole... SC 05 Typical 5 and 6 Diameter Pre Cast Concrete Manhole with 4 Stack... SC 06 Typical 4 Manhole with Outside Drop Connection... SC 07 Inside Drop Manhole... SC 07A Standard Sanitary Sewer Service Lateral Connection... SC 08 Sanitary Sewer Service Lateral Connection with Riser... SC 09 Sewage Force Main 2 Connection... SC 10 Small Diameter Sewage Force Main Service Connection to Gravity Sewer... SC 11 Termination for Dead End Runs of HDPE Force Main (2 and Smaller)... SC 12 Pressure Lateral Assembly... SC 13 UTILITY LOCATION & EASEMENT LAYOUT R 2 Conventional & Larger Lot Subdivisions... UL 01 R 3 & R 4 Conventional and R 2 Cluster Subdivisions... UL 02 R 3 & R 4 Cluster Subdivisions... UL 03 Townhouse Subdivisions on Public Roads... UL 04 WATER DISTRIBUTION SYSTEM Blow Off Detail... WD 01 Sampling Station... WD 02 Air Release Valve... WD 03 Typical Fire Hydrant... WD 04

4 WATER METERS Standard Water Meter Box & Fittings Up to 1... WM /2 and 2 Water Meter and Service Connection... WM 02 Combined Domestic & Fire Service Meter Vault Detail... WM 03 Standard Water Subtraction Meter... WM 04 Temporary Hydrant Meter Assembly... WM 05 Standard Water Service Connection for Water Meter Sizes Up to 1... WS 01

5 8'' min. Reinforcing Bars (typ.) Pipe Dia. (min.) Reinforcing Bar Notes: 1) Reinforcing Bars shall be hooked at each end and embedded minimum 8" into concrete. Exposed portion of all bars shall be painted with a minimum two coats of bituminous paint. 2) Where 3 bars are used, they shall be arranged as shown on the detail above. 3) Where 4 bars are used, 2 bars shall be located at each of end of the bend, symmetrically located on either side of the fitting. Concrete Notes: 1) Fc=3000 PSI AT 28 DAYS. 2) Carry all bearing surfaces to undisturbed earth or firm subgrade. 3) The anchorage dimensions shown are based on design water pressure of 150 psi. Where a higher pressure specification is required, the volume of the concrete (L x W x D) shall be adjusted proportionally according to the design pressure used. AV-01 Anchorage for 11-1/4, 22-1/2 & 45 Upper Vertical Bends Not to Scale Revised: 03/31/05

6 Carry concrete to undisturbed earth or firm subgrade. Concrete Block Dimensions At 150 PSI Pressure Amount to be added to dimension 'D' for each 50 psi (or portion thereof) design pressure above 150 psi (up to 300 psi). Adjustment to Concrete Area for Different Height, Hc. To Be Measured from Finished Grade to C of Pipe CS = 0 PSF Φ = 15 Loose Silty Sand CS = 1000 PSF Φ = 15 Soft Silty Clay & Better Notes: 1) Dimensions D & E shall be adjusted based on required area for value of Hc. 2) Dimensions F & G are constant for a given pipe size. 3) Dimension D shall be adjusted for required pressure in excess of 150 psi before making adjustment for Hc (above). Soil and Concrete Notes: 1) FC = 3000 psi at 28 days. 2) CS = Soil cohesion in psf 3) Φ = Angle of Internal Friction. 4) All bearing surfaces shall be carried to undisturbed earth or firm subgrade. Buttresses for 11-1/4 Horizontal Bend BB-01 Not to Scale Revised: 03/31/05

7 Carry concrete to undisturbed earth or firm subgrade. Concrete Block Dimensions At 150 PSI Pressure Amount to be added to dimension 'D' for each 50 psi (or portion thereof) design pressure above 150 psi (up to 300 psi). Adjustment to Concrete Area for Different Height, Hc. To Be Measured from Finished Grade to C of Pipe CS = 0 PSF Φ = 15 Loose Silty Sand CS = 1000 PSF Φ = 15 Soft Silty Clay & Better Notes: 1) Dimensions D & E shall be adjusted based on required area for value of Hc. 2) Dimensions F & G are constant for a given pipe size. 3) Dimension D shall be adjusted for required pressure in excess of 150 psi before making adjustment for Hc (above). Soil and Concrete Notes: 1) FC = 3000 psi at 28 days. 2) CS = Soil cohesion in psf 3) Φ = Angle of Internal Friction. 4) All bearing surfaces shall be carried to undisturbed earth or firm subgrade. Buttresses for 22-1/2 Horizontal Bend BB-02 Not to Scale Revised: 03/31/05

8 Carry concrete to undisturbed earth or firm subgrade. Concrete Block Dimensions At 150 PSI Pressure Amount to be added to dimension 'D' for each 50 psi (or portion thereof) design pressure above 150 psi (up to 300 psi). Adjustment to Concrete Area for Different Height, Hc. To Be Measured from Finished Grade to C of Pipe CS = 0 PSF Φ = 15 Loose Silty Sand CS = 1000 PSF Φ = 15 Soft Silty Clay & Better Notes: 1) Dimensions D & E shall be adjusted based on required area for value of Hc. 2) Dimensions F & G are constant for a given pipe size. 3) Dimension D shall be adjusted for required pressure in excess of 150 psi before making adjustment for Hc (above). Soil and Concrete Notes: 1) FC = 3000 psi at 28 days. 2) CS = Soil cohesion in psf 3) Φ = Angle of Internal Friction. 4) All bearing surfaces shall be carried to undisturbed earth or firm subgrade. Buttresses for 45 Horizontal Bend BB-03 Not to Scale Revised: 03/31/05

9 Extend concrete to undisturbed earth. Concrete Block Dimensions At 150 PSI Pressure Amount to be added to dimension 'D' for each 50 psi (or portion thereof) design pressure above 150 psi (up to 300 psi). Adjustment to Concrete Area for Different Height, Hc. To Be Measured from Finished Grade to C of Pipe Notes: 1) Dimensions D & E shall be adjusted based on required area for value of Hc. 2) Dimensions F & G are constant for a given pipe size. 3) Dimension D shall be adjusted for required pressure in excess of 150 psi before making adjustment for Hc (above). 4) Special design required for lines 24" in diameter or greater. Concrete Notes: 1) FC = 3000 psi at 28 days. 2) All bearing surfaces shall be carried to undisturbed earth or firm subgrade. Buttresses for 90 Horizontal Bend BB-04 Not to Scale Revised: 03/31/05

10 Notes: 1) FC = 3000 psi at 28 days. 2) Buttress block dimensions are appropriate for design water pressure less than or equal to 150 psi. 3) Where design water pressure exceeds 150 psi, block dimensions shall be proprtioned based on actual design pressure. 4) All bearing surfaces shall be extended to undisturbed earth or firm subgrade. 5) Tapping assemblies and sleeves shall be buttressed as comparably sized tees. Buttresses for Tees, Plugs and Caps BT-01 Not to Scale Revised: 03/31/05

11 Notes: 1) FC = 3000 psi at 28 days. 2) Buttress block dimensions are appropriate for design water pressure less than or equal to 150 psi. 3) Where design water pressure exceeds 150 psi, block dimensions shall be proprtioned based on actual design pressure. 4) Where soil bearing pressure is less than 2500 psi, dimension 'L' shall be muliplied by 2 and Dimension 'M' shall be multiplied by ) All bearing surfaces shall be extended to undisturbed earth or firm subgrade. BV-01 Buttresses for 11-1/4, 22-1/2 & 45 Lower Vertical Bends Not to Scale Revised: 03/31/05

12 G-01 Pipe Embedment and Backfill for Ductile Iron Pipe Not to Scale Revised: 03/31/05

13 G-02 Pipe Embedment and Backfill for Plastic Pipe Not to Scale Revised: 03/31/05

14 WATER G-03 Typical Gate Valve and Valve Box Not to Scale Revised: 11/28/17

15 Standard Concrete Cradle and Encasement G-04 Not to Scale Revised: 03/31/05

16 Steel Casing Detail G-05 Not to Scale Revised: 03/31/05

17 Sanitary Sewer Design Calculation Sheet G-06 Not to Scale Revised: 03/31/05

18 SC-01 Combination Air/Vacuum Release Valve for Sewage Force Main Not to Scale Revised: 11/28/17

19 SC-02 Waterproof Manhole Insert Not to Scale Revised: 03/31/05

20 SC-03 External Manhole Chimney Seal Not to Scale Revised: 03/31/05

21 SC-04 Internal Manhole Chimney Seal Not to Scale Revised: 03/31/05

22 SC-05 Standard 4' ID Precast Concrete Manhole Not to Scale Revised: 03/31/05

23 SC-06 Typical 5' and 6' Diameter Pre-Cast Concrete Manhole with 4' Stack Not to Scale Revised: 03/31/05

24 SC-07 Typical 4' Manhole with Outside Drop Connection Not to Scale Revised: 03/31/05

25 A A SC-07A Inside Drop Manhole Not to Scale Revised: 11/28/17

26 SC-08 Standard Sanitary Sewer Service Lateral Connection Not to Scale Revised: 03/31/05

27 SC-09 Sanitary Sewer Service Lateral Connection with Riser Not to Scale Revised: 03/31/05

28 SC-10 Sewage Force Main 2" Connection Not to Scale Revised: 03/31/05

29 SC-11 Small Diameter Sewage Force Main Service Connection to Gravity Sewer Not to Scale Revised: 11/28/17

30 SC-12 Termination for Dead-End Runs of HDPE Force Main (2" and Smaller) Not to Scale Adopted: 04/29/09

31 SC-13 Pressure Lateral Assembly Not to Scale Revised: 11/28/17

32 FCWSA Utility Location & Easement Layout Detail (UL-01) Showing Typical Water & Sewer Utility Locations and Minimum Easement Widths along Internal Subdivision Streets in R-2 Conventional Subdivisions & other Subdivisions with lots sized 20,000 SF or greater When routing sanitary sewer around curves in the road, the manholes and the center line of the pipe shall be placed no closer than 5.0' from the Easement and ROW lines. Utility Easement Line (Typ.) Sanitary Sewer Lateral (Typ.) Sanitary Sewer Line (Typ.) 15.00' (min.) ROW Line (Typ.) Sanitary Sewer CL Easement (Typ.) CL Road (Typ.) GRAPHIC SCALE ( IN FEET ) 1 inch = 50 ft. 5.00' (min.) 10.00' (min.) ROW Line (Typ.) Water Line (Typ.) Utility Easement Line (Typ.) Water Service (Typ.) 5' Sidewalk (Typ.) Curb & Gutter (Typ.) Property Line (Typ.) Min. Yard Line (Typ.) Notes: 1) All dimensions are minimums. 2) Typical sanitary sewer line location shall be 7.5' outside the ROW with a 15' utility easement. 3) Typical waterline location shall be 5' outside the ROW with a 10' utility easement. 4) Curve radii of less than 250' on water lines will necessitate the use of fittings. Where fittings are used, the waterline shall be routed so that the centerline of the pipe remains a minimum 3' from both ROW and easement lines. 5) Water valve boxes shall not be located in sidewalks, curb & gutter or pavement. 6) This detail is applicable only for internal subdivision streets. Easement widths for all other streets and roads shall be in accordance with the Authority's Utility Standards Manual (USM) Section ) All design and construction shall be in accordance with the Authority's USM. UL Utility Location & Easement Layout R-2 Conventional & Larger Lot Subdivisions Scale: 1" = 50' 03/05/07

33 FCWSA Utility Location & Easement Layout Detail (UL-02) Showing Typical Water & Sewer Utility Locations and Minimum Easement Widths along Internal Subdivision Streets in R-3 Conventional, R-4 Conventional and R-2 Cluster Subdivisions with Single Family Dwellings When routing sanitary sewer around curves in the road, the manholes and the center line of the pipe shall be placed no closer than 3.0' from the Easement and ROW lines. Sanitary Sewer Lateral (Typ.) Utility Easement Line (Typ.) Sanitary Sewer Line (Typ.) Sanitary Sewer CL Easement (Typ.) 12.00' (min.) ROW Line (Typ.) CL Road (Typ.) GRAPHIC SCALE ( IN FEET ) 1 inch = 50 ft ' (min.) 3.00' (min.) ROW Line (Typ.) Water Line (Typ.) Utility Easement Line (Typ.) Water Service (Typ.) 5' Sidewalk (Typ.) Curb & Gutter (Typ.) Property Line (Typ.) Min. Yard Line (Typ.) Notes: 1) All dimensions are minimums. 2) Typical sanitary sewer line location shall be 6.0' outside the ROW with a 12' utility easement. 3) Typical waterline location shall be 3' outside the ROW with an 8' utility easement. 4) Curve radii of less than 250' on water lines will necessitate the use of fittings. Where fittings are used, the waterline shall be routed so that the centerline of the pipe remains a minimum 3' from both ROW and easement lines. 5) Water valve boxes shall not be located in sidewalks, curb & gutter or pavement. 6) This detail is applicable only for internal subdivision streets. Easement widths for all other streets and roads shall be in accordance with the Authority's Utility Standards Manual (USM) Section ) All design and construction shall be in accordance with the Authority's USM. Utility Location & Easement Layout R-3 & R-4 Conventional and R-2 Cluster Subdivisions UL-02 Scale: 1" = 50' 03/05/07

34 FCWSA Utility Location & Easement Layout Detail (UL-03) Showing Typical Water & Sewer Utility Locations and Minimum Easement Widths along Internal Subdivision Streets in R-3 Cluster and R-4 Cluster Subdivisions with Single Family Dwellings When routing sanitary sewer around curves in the road, the manholes and the center line of the pipe shall be placed no closer than 2.5' from the Easement and ROW lines. Utility Easement Line (Typ.) Sanitary Sewer Line (Typ.) Sanitary Sewer CL Easement (Typ.) Sanitary Sewer Lateral (Typ.) 10.00' (min.) ROW Line (Typ.) CL Road (Typ.) 5.00' (min.) 2.00' (min.) ROW Line (Typ.) Water Line (Typ.) Water Service (Typ.) Utility Easement Line (Typ.) 5' Sidewalk (Typ.) Curb & Gutter (Typ.) Property Line (Typ.) Min. Yard Line (Typ.) Notes: 1) All dimensions are minimums. 2) Typical sanitary sewer line location shall be 5.0' outside the ROW with a 10' utility easement. 3) Typical waterline location shall be 2' outside the ROW with a 5' utility easement. 4) Curve radii of less than 250' on water lines will necessitate the use of fittings. Where fittings are used, the waterline shall be routed so that the centerline of the pipe remains a minimum 2' from both ROW and easement lines. 5) Water valve boxes shall not be located in sidewalks, curb & gutter or pavement. 6) This detail is applicable only for internal subdivision streets. Easement widths for all other streets and roads shall be in accordance with the Authority's Utility Standards Manual (USM) Section ) All design and construction shall be in accordance with the Authority's USM. GRAPHIC SCALE ( IN FEET ) 1 inch = 50 ft. 200 UL-03 Utility Location & Easement Layout R-3 & R-4 Cluster Subdivisions Scale: 1" = 50' 03/05/07

35 FCWSA Utility Location & Easement Layout Detail (UL-04) Showing Typical Water & Sewer Utility Locations and Minimum Easement Widths along Internal Streets in Townhouse Subdivisions with units fronting on Public Roads with parallel parking. When routing sanitary sewer around curves in the road, the manholes and the center line of the pipe shall be placed no closer than 2.5' from the Easement and ROW lines. ROW Line (Typ.) Utility Easement Line (Typ.) Sanitary Sewer CL Easement (Typ.) Sanitary Sewer Line (Typ.) 10.00' (min.) Typ. Parallel Parking CL Road (Typ.) 5.00' (min.) ROW Line (Typ.) Water Line (Typ.) Utility Easement Line (Typ.) Water Service (Typ.) 5' Sidewalk (Typ.) Curb & Gutter (Typ.) Property Line (Typ.) Min. Yard Line (Typ.) 2.00' (min.) GRAPHIC SCALE ( IN FEET ) 1 inch = 50 ft. 200 Notes: 1) All dimensions are minimums. 2) Typical sanitary sewer line location shall be 5.0' outside the ROW with a 10' utility easement. 3) Typical waterline location shall be 2' outside the ROW with a 5' utility easement. 4) Curve radii of less than 250' on water lines will necessitate the use of fittings. Where fittings are used, the waterline shall be routed so that the centerline of the pipe remains a minimum 2' from both ROW and easement lines. 5) Water valve boxes shall not be located in sidewalks, curb & gutter or pavement. 6) This detail is applicable only for internal subdivision streets. Easement widths for all other streets and roads shall be in accordance with the Authority's Utility Standards Manual (USM) Section ) All design and construction shall be in accordance with the Authority's USM. UL-04 Utility Location & Easement Layout Townhouse Subdivisions on Public Roads Scale: 1" = 50' 03/05/07

36 WATER WATER Not to Scale Water Distribution System Blow-Off Detail WD-01 Revised: 11/28/17

37 INSET Not to Scale Water Distribution System Sampling Station WD-02 Revised: 11/28/17

38 WD-03 Water Distribution System Air Release Valve Not to Scale Revised: 11/28/17

39 WD-04 Water Distribution System Typical Fire Hydrant Not to Scale Revised: 11/28/17

40 60 +/- WM-01 Standard Water Meter Box & Fittings Up to 1" Not to Scale Revised: 11/28/17

41 WM /2" and 2" Water Meter and Service Connection Not to Scale Revised: 11/28/17

42 12" MIN. WM-03 Combined Domestic & Fire Service Meter Vault Detail Not to Scale Revised: 11/28/17

43 NOTE: Irrigation service line shall be connected to the customer's service line on the customer's side of the main meter. Easement/R.O.W. Line Ex. Water Meter (Primary Service) Ex. Customer-owned Service Line To House Polyethylene Tubing Prop. Subtraction Meter 3' +/- 3' +/- To Irrigation System Typical Connection of Subtraction Meter Ford Type 'A32-T' or 'C32-T' Meter Box Cover. Top to be set between 1/2" and 2" above finished grade. Note: Meter box lid shall include a 1-3/4" hole for mounting a touch read pad. Note: Part Numbers shown on this Detail are from Ford Manufacturing Company products. Approved equals may be used. Finished Grade 18" x 30" Round Concrete or PVC Pit-Setter Angle Valve with Padlock Wings Angled Dual Check Valve (Cartridge Style) 18" Min. 24" Max. 14 Gauge Insulated Copper Tracer Wire Attached Here Fill Pit-Setter with Sand or Stone Dust Bedding up to the Bottom of the Meter Yoke. Meter Yoke Bar Connect To Customer Side of Water Service Line 6" Minimum "Pig-Tail" (for connection to Irrigation System) to terminate 2' from meter barrel Meter Box Detail for 5/8" x 3/4" Water Subtraction Meter Note: ALL compression fittings shall include grip joints. Ford HHCA94-323D-G Ford AV94-323W-G Drain on Meter Side of Check Valve. Ford YLN-23 (2) Ford Y502 Meter Yoke Stainless Steel Inserts to be Used Inside Plastic Tubing. WM-04 Meter Yoke Detail Standard Water Subtraction Meter Not to Scale Revised: 03/20/07

44 WM-05 Temporary Hydrant Meter Assembly Not to Scale Revised: 11/28/17

45 WS-01 Standard Water Service Connection For Water Meter Sizes Up to 1'' Not to Scale Revised: 11/28/17

Engineering and Construction Services Division Construction Drawings for Sewers and Watermains. T No. Revision T No. Revision Remarks All T drawings

Engineering and Construction Services Division Construction Drawings for Sewers and Watermains Revision No. 8 April All T drawings New title block for each drawing is now standardized. Revision numbers