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EXISTING WATER TABLE
<br />12' PVC DRAIN - - � EXISTING GROUND
<br />SEE DETAIL 373 10•� � 10'
<br />SM
<br />_ PLACE PIPE INVERT AT WATER LINE ,
<br />GW < I ._{ - ` SLURRY WALL
<br />TYPICAL SLURRY TRENCH SECTION
<br />SCALE: 1' = 10'
<br />-
<br />3' WADE TRENCH
<br />—
<br />-
<br />FILTER FABRIC
<br />1'
<br />GENERAL DRAIN DETAIL NOTES
<br />VARIABLE HEIGHT�.�;'.�
<br />--
<br />1. TRENCHES SHALL BE EXCAVATED SO THAT SIDEWALLS WALL BE
<br />STABLE UNDER ALL WORKING CONDITIONS. TRENCH WALLS
<br />0
<br />SHALL BE SLOPED OR SUPPORT PROVIDED IN CONFORMANCE
<br />WITH ALL LOCAL
<br />WATER TABLE
<br />AND NATIONAL STANDARDS FOR SAFETY.
<br />MUCH TRENCH SHALL BE OPEN AS CAN BE SAFELY
<br />;' AVG PHASE I = 23FT� P r
<br />2. TRENCHES SHALL BE EXCAVATED TO THE DEPTH OF THE
<br />GRAVEL LAYER TO ENSURE A GOOD HYDROLOGIC CONNECTION
<br />- -'
<br />WHERE PLAN PVC EXISTS ON PHASE I - WEST DRAIN,
<br />z
<br />=
<br />w
<br />` AVG PHASI
<br />II 27FT
<br />- - - - - - -
<br />3. GROUNDWATER IS EXPECTED TO BE ENCOUNTERED DURING
<br />---�{
<br />6'
<br />TRENCH CONSTRUCTION. CONTROL GROUNDWATER IN THE
<br />TRENCH THROUGH ACTIVE DEWATERING VIA PUMPS (SEE ASTM
<br />F1668, 7.2).
<br />-
<br />4. GRAVEL (PIT RUN SHALL
<br />-
<br />THE TRENCH FROM BOTTOM CONTACT
<br />TWITH THE GRAVEL LAYER
<br />_ - -
<br />TO 1 FT. FROM THE SPECIFIED BOTTOM ELEVATION OF THE PIPE
<br />- - 12' PERFORATED PVC PIPE
<br />5. FILTER MATERIAL SHALL BE ASTM C -33, SIZE NO. 67, WITH THE
<br />ADDED CONSTRAINTS AS FOLLOWS:
<br />- - -
<br />A. FILTER MATERIAL SHALL CONTAIN NO MORE THAN 5% (BY
<br />VARIES , -
<br />WEIGHT) OF MATERIAL FINER THAN THE NO. 200 SIEVE
<br />- - - -
<br />B. ALL FINES (MINUS NO. 40 SIEVE) SHALL BE NONPLASTIC (PI=
<br />0).
<br />-
<br />- - NATIVE GRAVEL FILL
<br />6. THE FILTER MATERIAL SHALL BE PLACED ON THE GRAVEL LAYER
<br />_-
<br />-
<br />OR GRAVEL BACKFILL IN LIFTS NOT TO EXCEED 1FT THICKNESS
<br />WHEN COMPACTED WITH SURFACE PLATE VIBRATORS OR
<br />VIBRATORY ROLLERS OR SHOULD NOT EXCEED THE LENGTH OF
<br />THE INTERNAL VIBRATOR. FILTER MATERIAL BELOW THE PIPE
<br />SHALL BE COMPACTED TO 90% MAXIMUM DRY DENSITY.
<br />-- _
<br />7. PERFORATED PIPE SHALL BE FULLY PERFORATED 12' DIAMETER,
<br />SDR -17 PVC, WITH 0.125' SLOT WIDTH (3.875' OD SLOT
<br />LENGTH), 1- SLOT SPACING, AND CONFIGURED IN 4 ROWS
<br />EXISTING GRAVEL LAYER
<br />AROUND THE PIPE CIRCUMFERENCE,
<br />-
<br />B. PLAN (NON - SLOTTED) PVC PIPE FROM PHASE I - WEST DRAIN
<br />-
<br />STA 13 +00 TO THE OUTLET SHALL BE 12' SDR -17 PVC PIPE
<br />9. FILTER MATERIAL SHALL BE WORKED UNDER THE PIPE
<br />b `
<br />10. THE FILTER MATERIAL SHALL EXTEND A MINIMUM OF 12' ON
<br />EVERY SIDE OF THE SLOTTED PIPE AT COMPLETION OF
<br />%
<br />CONSTRUCTION.
<br />PERFORATED PVC PIPE DETAIL
<br />3 3 SCALE: i' = 1'
<br />11. EMBEDMENT MATERIAL FOR THE PLAN PVC PIPE SHAT BE
<br />ASTM C -33, SIZE NO. 67, WITH A 6- LAYER BENEATH THE PIPE
<br />AND 1 FT. THICK ON ALL OTHER SIDES.
<br />12. SURROUNDING THE SIDES AND TOP OF THE FILTERAMBEDMENT
<br />MATERIAL, AND KEYED 6 IN. UNDER FILTER MATERIAL (AS
<br />SHOWN ON PERFORATED PVC PIPE DETAIL), PLACE A LAYER OF
<br />MIRAF1 14ON GEOTEXTILE (OR EQUIVALENT) AS SMOOTH AS
<br />POSSIBLE. MAKE OVERLAPS OF THE FABRIC AT LEAST 3 FT.
<br />WIDE WHEN BEGINNING NEW FABRIC ROLL
<br />PERFORATED TO ALLOW
<br />13. NATIVE FILL WALL SERVE AS BACKFTLL ABOVE THE FILTER
<br />SURCHARGING
<br />MATERIAL TO GRADE
<br />SPRING LOADED
<br />FLAP TYPE LID CLEAN -OUT BOX AND LID
<br />14. PLAN PVC PIPE BEDDING SHALL BE HAND TAMPED IN 12' LIFTS
<br />(SET TO FINISHED GRADE)
<br />AND SHALL CONFORM TO ASTM C -33, GRADATION SIZE NO. 67.
<br />15. PREVENT CONTAMINATION OF DRAINS AND FILTERS BY RUNOFF
<br />CONTAINING SEDIMENT, DUST, CONSTRUCTION TRAFFIC, AND
<br />-,
<br />MIXING WITH NEARBY FINE- GRAINED MATERIALS DURING
<br />PLACEMENT AND COMPACTION. DRAIN AND FILTER MATERIAL
<br />SHALL BE KEPT AT AN ELEVATION HIGHER THAN THE
<br />4.
<br />SURROUNDING FINE- GRAINED MATERIALS DURING CONSTRUCTION
<br />SERVICE CONNECTION 12 PVC
<br />TO PREVENT CONTAMINATION BY SEDIMENT- CARRYING RUNOFF.
<br />WITH 45' BEND
<br />16. PREVENT SEGREGATION OF THE FILTERED MATERIAL DURING
<br />_
<br />BEDROCK (SHALE)
<br />17. PROPER IN -PLACE DENSITY IS REQUIRED TO BE NO LESS THAN
<br />TYPICAL SLURRY TRENCH SECTION
<br />SCALE: 1' = 10'
<br />REVISIONS
<br />DESCRIPTION
<br />PLAIN PVC PIPE DETAIL
<br />SCALE: 1' = 1
<br />LIMIT OF SLOPING OR
<br />BENCHING OF TRENCH WALL
<br />GRANULAR FILL ASTM -33 NO. 67
<br />12' PLAIN PVC PIPE
<br />NATIVE GRAVEL
<br />FILTER MATERIAL
<br />ASTM C -33 NO.67
<br />TRENCH SLOP MAY VARY
<br />BASED ON TRENCHING
<br />METHOD - SEE NOTES
<br />3'
<br />4:1
<br />1 6.
<br />NATIVE FILL
<br />emu, -j. �1 , IL! u_YI � I. I1 I II I L ,I1_
<br />EXISTING SOIL
<br />V
<br />3' WADE TRENCH
<br />—
<br />FILTER FABRIC
<br />1'
<br />GENERAL DRAIN DETAIL NOTES
<br />1. TRENCHES SHALL BE EXCAVATED SO THAT SIDEWALLS WALL BE
<br />STABLE UNDER ALL WORKING CONDITIONS. TRENCH WALLS
<br />0
<br />SHALL BE SLOPED OR SUPPORT PROVIDED IN CONFORMANCE
<br />WITH ALL LOCAL
<br />WATER TABLE
<br />AND NATIONAL STANDARDS FOR SAFETY.
<br />MUCH TRENCH SHALL BE OPEN AS CAN BE SAFELY
<br />MAY AS
<br />2. TRENCHES SHALL BE EXCAVATED TO THE DEPTH OF THE
<br />GRAVEL LAYER TO ENSURE A GOOD HYDROLOGIC CONNECTION
<br />BETWEEN THE GRAVEL LAYER AND THE PERIMETER DRAIN.
<br />WHERE PLAN PVC EXISTS ON PHASE I - WEST DRAIN,
<br />z
<br />=
<br />w
<br />BOTTOM OF PIPE
<br />m
<br />- - - - - - -
<br />3. GROUNDWATER IS EXPECTED TO BE ENCOUNTERED DURING
<br />---�{
<br />6'
<br />TRENCH CONSTRUCTION. CONTROL GROUNDWATER IN THE
<br />TRENCH THROUGH ACTIVE DEWATERING VIA PUMPS (SEE ASTM
<br />F1668, 7.2).
<br />REVISIONS
<br />DESCRIPTION
<br />PLAIN PVC PIPE DETAIL
<br />SCALE: 1' = 1
<br />LIMIT OF SLOPING OR
<br />BENCHING OF TRENCH WALL
<br />GRANULAR FILL ASTM -33 NO. 67
<br />12' PLAIN PVC PIPE
<br />NATIVE GRAVEL
<br />FILTER MATERIAL
<br />ASTM C -33 NO.67
<br />TRENCH SLOP MAY VARY
<br />BASED ON TRENCHING
<br />METHOD - SEE NOTES
<br />3'
<br />4:1
<br />1 6.
<br />NATIVE FILL
<br />emu, -j. �1 , IL! u_YI � I. I1 I II I L ,I1_
<br />EXISTING SOIL
<br />V
<br />- VARIES
<br />FILTER FABRIC
<br />GENERAL DRAIN DETAIL NOTES
<br />1. TRENCHES SHALL BE EXCAVATED SO THAT SIDEWALLS WALL BE
<br />STABLE UNDER ALL WORKING CONDITIONS. TRENCH WALLS
<br />SHALL BE SLOPED OR SUPPORT PROVIDED IN CONFORMANCE
<br />WITH ALL LOCAL
<br />WATER TABLE
<br />AND NATIONAL STANDARDS FOR SAFETY.
<br />MUCH TRENCH SHALL BE OPEN AS CAN BE SAFELY
<br />MAY AS
<br />2. TRENCHES SHALL BE EXCAVATED TO THE DEPTH OF THE
<br />GRAVEL LAYER TO ENSURE A GOOD HYDROLOGIC CONNECTION
<br />BETWEEN THE GRAVEL LAYER AND THE PERIMETER DRAIN.
<br />WHERE PLAN PVC EXISTS ON PHASE I - WEST DRAIN,
<br />CONSTRUCT TRENCH TO 6' BELOW REQUIRED ELEVATION FOR
<br />BOTTOM OF PIPE
<br />- - - - - - -
<br />3. GROUNDWATER IS EXPECTED TO BE ENCOUNTERED DURING
<br />---�{
<br />6'
<br />TRENCH CONSTRUCTION. CONTROL GROUNDWATER IN THE
<br />TRENCH THROUGH ACTIVE DEWATERING VIA PUMPS (SEE ASTM
<br />F1668, 7.2).
<br />-
<br />4. GRAVEL (PIT RUN SHALL
<br />-
<br />THE TRENCH FROM BOTTOM CONTACT
<br />TWITH THE GRAVEL LAYER
<br />_ - -
<br />TO 1 FT. FROM THE SPECIFIED BOTTOM ELEVATION OF THE PIPE
<br />- - 12' PERFORATED PVC PIPE
<br />5. FILTER MATERIAL SHALL BE ASTM C -33, SIZE NO. 67, WITH THE
<br />ADDED CONSTRAINTS AS FOLLOWS:
<br />- - -
<br />A. FILTER MATERIAL SHALL CONTAIN NO MORE THAN 5% (BY
<br />VARIES , -
<br />WEIGHT) OF MATERIAL FINER THAN THE NO. 200 SIEVE
<br />- - - -
<br />B. ALL FINES (MINUS NO. 40 SIEVE) SHALL BE NONPLASTIC (PI=
<br />0).
<br />-
<br />- - NATIVE GRAVEL FILL
<br />6. THE FILTER MATERIAL SHALL BE PLACED ON THE GRAVEL LAYER
<br />_-
<br />-
<br />OR GRAVEL BACKFILL IN LIFTS NOT TO EXCEED 1FT THICKNESS
<br />WHEN COMPACTED WITH SURFACE PLATE VIBRATORS OR
<br />VIBRATORY ROLLERS OR SHOULD NOT EXCEED THE LENGTH OF
<br />THE INTERNAL VIBRATOR. FILTER MATERIAL BELOW THE PIPE
<br />SHALL BE COMPACTED TO 90% MAXIMUM DRY DENSITY.
<br />-- _
<br />7. PERFORATED PIPE SHALL BE FULLY PERFORATED 12' DIAMETER,
<br />SDR -17 PVC, WITH 0.125' SLOT WIDTH (3.875' OD SLOT
<br />LENGTH), 1- SLOT SPACING, AND CONFIGURED IN 4 ROWS
<br />EXISTING GRAVEL LAYER
<br />AROUND THE PIPE CIRCUMFERENCE,
<br />-
<br />B. PLAN (NON - SLOTTED) PVC PIPE FROM PHASE I - WEST DRAIN
<br />-
<br />STA 13 +00 TO THE OUTLET SHALL BE 12' SDR -17 PVC PIPE
<br />9. FILTER MATERIAL SHALL BE WORKED UNDER THE PIPE
<br />HAUNCHES BY HAND.
<br />10. THE FILTER MATERIAL SHALL EXTEND A MINIMUM OF 12' ON
<br />EVERY SIDE OF THE SLOTTED PIPE AT COMPLETION OF
<br />%
<br />CONSTRUCTION.
<br />PERFORATED PVC PIPE DETAIL
<br />3 3 SCALE: i' = 1'
<br />11. EMBEDMENT MATERIAL FOR THE PLAN PVC PIPE SHAT BE
<br />ASTM C -33, SIZE NO. 67, WITH A 6- LAYER BENEATH THE PIPE
<br />AND 1 FT. THICK ON ALL OTHER SIDES.
<br />12. SURROUNDING THE SIDES AND TOP OF THE FILTERAMBEDMENT
<br />MATERIAL, AND KEYED 6 IN. UNDER FILTER MATERIAL (AS
<br />SHOWN ON PERFORATED PVC PIPE DETAIL), PLACE A LAYER OF
<br />MIRAF1 14ON GEOTEXTILE (OR EQUIVALENT) AS SMOOTH AS
<br />POSSIBLE. MAKE OVERLAPS OF THE FABRIC AT LEAST 3 FT.
<br />WIDE WHEN BEGINNING NEW FABRIC ROLL
<br />PERFORATED TO ALLOW
<br />13. NATIVE FILL WALL SERVE AS BACKFTLL ABOVE THE FILTER
<br />SURCHARGING
<br />MATERIAL TO GRADE
<br />SPRING LOADED
<br />FLAP TYPE LID CLEAN -OUT BOX AND LID
<br />14. PLAN PVC PIPE BEDDING SHALL BE HAND TAMPED IN 12' LIFTS
<br />(SET TO FINISHED GRADE)
<br />AND SHALL CONFORM TO ASTM C -33, GRADATION SIZE NO. 67.
<br />15. PREVENT CONTAMINATION OF DRAINS AND FILTERS BY RUNOFF
<br />CONTAINING SEDIMENT, DUST, CONSTRUCTION TRAFFIC, AND
<br />-,
<br />MIXING WITH NEARBY FINE- GRAINED MATERIALS DURING
<br />PLACEMENT AND COMPACTION. DRAIN AND FILTER MATERIAL
<br />SHALL BE KEPT AT AN ELEVATION HIGHER THAN THE
<br />_
<br />SURROUNDING FINE- GRAINED MATERIALS DURING CONSTRUCTION
<br />SERVICE CONNECTION 12 PVC
<br />TO PREVENT CONTAMINATION BY SEDIMENT- CARRYING RUNOFF.
<br />WITH 45' BEND
<br />16. PREVENT SEGREGATION OF THE FILTERED MATERIAL DURING
<br />_
<br />HANDLING AND PLACEMENT.
<br />17. PROPER IN -PLACE DENSITY IS REQUIRED TO BE NO LESS THAN
<br />80- PERCENT RELATIVE DENSITY. GRANULAR MATERIALS
<br />CONTAINING LITTLE OR NO FINES SHALL BE SATURATED DURING
<br />COMPACTION TO PREVENT 'BULKING; (LOW DENSITY) WHICH CAN
<br />RESULT IN SETTLEMENT WHEN OVERBURDEN MATERIALS ARE
<br />PLACED AND THE DRAIN IS SUBSEQUENTLY SATURATED BY
<br />SEEPAGE FLOWS.
<br />CROSS SECTION
<br />18. GRADATION SHALL BE MONITORED CLOSELY SO THAT DESIGNED
<br />FILTER CRITERIA ARE MET.
<br />19. THICKNESS OF LAYERS SHALL BE MONITORED TO ENSURE
<br />DESIGNED DISCHARGED CAPACITY AND CONTINUITY OF THE
<br />FILTER.
<br />(8) CLEAN -OUT PIPE DETAIL
<br />\2 j 3 NOT TO SCALE
<br />BOKELMANIWALTERS PIT
<br />� IAL�ihannd, _lam �
<br />na�ntal Ft tngin�� ring REGULAR 112 PERMIT APPLICATION
<br />PO II 1921
<br />Ly1anxCO80540 LARIMER COUNTY `E
<br />P17 303-923-0951 PRE ED PAR FOR AS SHOWN
<br />fax 3o3923asse LOVELAND READY MIX CONCRETE CO., INC. D�tAWNBY: _ JWW
<br />Permit #: -690 Confidental ?:
<br />Class: Type- eq.:
<br />From: To:
<br />Doc. Name: _ 3
<br />Doc. Date (if no date stamp): as 7
<br />EXHIBIT C -2 - SHEET 3
<br />DRAIN DETAILS AND NOTES
<br />DWG NO.
<br />EXHIBIT C2 AR -1 SHEET 3.dwg
<br />CKED BY: DATE
<br />I.- _- _ R 02/16/07
<br />RECEIVED
<br />FEB 2 2 2007
<br />Division of Reclamation,
<br />Mining and safety
<br />RECEIVEu
<br />FEB 22'',-- /
<br />Division of Reclam@wfi,
<br />Mining1
<br />REV.
<br />REV
<br />SHEET
<br />30F3
<br />
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