EXCAVATION AND FILL MOTES:
<br />1. ON-SITE MATERIAL SHALL BE ALLOWED AS BACKFILL
<br />2. FILL SHALL BE PLACED IN LOOSE LIFTS NOT TO EXCEED 8 INCHES AND COMPACTED AS
<br />SPECIFIED BY THE ENGINEER IN ACCORDANCE WITH HP STORM TABLE 3 FOR THE APPLICABLE
<br />FILL HEIGHTS LISTED
<br />3. VEGETATION AND TOPSOIL SHALL BE REMOVED FROM EXISTING SLOPES PRIOR TO FILL
<br />PLACEMENT
<br />4. EXISTING SLOPES SHALL BE BENCHED. THE BENCH SHALL BE SUFFICIENT WIDTH TO ALLOW
<br />THE COMPACTION EQUIPMENT TO PASS OVER THE BOUNDARY BETWEEN THE NEW AND
<br />EXISTING SURFACE
<br />5. PRIOR TO CONSTRUCTING A NEW FILL ADJACENT TO AN EXISTING FILL SLOPE, ALL LOOSE
<br />EARTH SHALL BE REMOVED FROM THE EXISTING SLOPE UNTIL A COMPACTED SURFACE HAS
<br />BEEN EXPOSED
<br />6. ALL EXCAVATIONS SHALL CONFORM TO APPLICABLE SAFETY REGULATIONS
<br />CONCRETE NOTES:
<br />1. CONCRETE
<br />A. PROVIDE ALL NECESSARY LABOR, MATERIALS, AND OPERATIONS FOR PLACING, AND
<br />FINISHING OF THE CONCRETE
<br />B. ALL STRUCTURAL CONCRETE SHALL DEVELOP A MINIMUM COMPRESSIVE STRENGTH OF 3000
<br />PSI IN 28 DAYS. STRUCTURAL CONCRETE SHALL CONFORM TO THE REQUIREMENTS AND
<br />SPECIFICATIONS PER AC1318-11 SPECIFICATIONS FOR STRUCTURAL CONCRETE OF BUILDINGS
<br />C. WATER CEMENT RATIO SHALL NOT EXCEED 0.45
<br />D. ALL CONCRETE EXPOSED TO THE WEATHER SHALL BE AIR -ENTRAINED AT 6 PERCENT (+/- 1.5
<br />PERCENT)
<br />E. CONCRETE SHALL NOT BE PLACED UNTIL ALL REINFORCING BARS, DOWELS, ANCHOR BOLTS,
<br />PIPE SLEEVES, OR ANY OTHER EMBEDDED ITEMS HAVE BEEN PLACED OR SECURED
<br />F. CURING - CONCRETE SHALL BE MOIST CURED BY MISTING OR SPRINKLING OR WITH CURING
<br />COMPOUND AND THE SURFACE TEMPERATURE OF THE CONCRETE SHALL BE MAINTAINED
<br />ABOVE 50° F FOR A MINIMUM OF 5 DAYS
<br />2. CONCRETE REINFORCING
<br />A. ALL BARS SHALL BE GRADE 60 (YIELD STRENGTH = 60 KSI) CONFORMING TO ASTM 615 OR
<br />A706, UNLESS NOTED OTHERWISE
<br />B. REINFORCING BARS SHALL NOT BE RE-BENT OR STRAIGHTENED IN THE FIELD IN A MANNER
<br />THAT MAY WEAKEN OR DAMAGE THE STEEL. REINFORCING BARS ARE TO BE CLEAN OF RUST,
<br />SCALING, MUD, SOIL, FORM OIL, OR ANY DELETERIOUS MATERIAL
<br />C. ALL BAR SPLICES PER THE FOLLOWING TABLE, UNLESS NOTED OTHERWISE, AND SHALL BE
<br />STAGGERED
<br />REINFORCEMENT
<br />SPLICE LENGTH
<br />BAR SIZE
<br />SPLICE LENGTH
<br />#4
<br />20"
<br />#5
<br />26„
<br />#6
<br />30„
<br />#7
<br />48"
<br />CONCRETE DESIGN STRENGH = 3000 PSI (MIN)
<br />D. THE FOLLOWING CLEARANCES SHALL BE USED PER CONDITIONS:
<br />D.A. CONCRETE PLACED AGAINST EARTH 3 INCHES
<br />D.1. CONCRETE PLACED IN FORMS AND EXPOSED TO THE WEATHER OR EARTH:
<br />D.I.A. IF BARS ARE LARGER THAN #5 BARS 2 INCHES
<br />D.I.B. IF BARS ARE SMALLER THAN #5 BARS 1-1/2 INCHES
<br />E. ONLY REINFORCEMENT SPECIFICALLY IDENTIFIED AS WELDABLE MAY BE WELDED. ALL
<br />WELDING OF REINFORCING BARS SHALL BE PERFORMED IN STRICT COMPLIANCE WITH THE
<br />STRUCTURAL WELDING CODE FOR REINFORCING STEEL, ANSI/AWS D.1.4.
<br />COLORADo " " F
<br />5--22-2019 For DRMS Review- B EW --
<br />4-23-2019 Draft for internal review A EW ---
<br />DATE ISSUE/REVISION No. DRW. APP.
<br />HP STORM TRENCH INSTALLATION DETAIL
<br />MIN. COVER TO
<br />RIGID PAVEMENT, H
<br />SPRINGLINE
<br />4" FOR 12"-24" PIPE
<br />6" FOR 30"-60" PIPE
<br />MIN TRENCH WIDTH
<br />(SEE TABLE)
<br />MIN. COVER TO
<br />FLEXIBLE PAVEMENT, H
<br />BEDDING
<br />SUITABLE
<br />FOUNDATION
<br />NOTES:
<br />1. ALL PIPE SYSTEMS SHALL BE INSTALLED IN ACCORDANCE WITH ASTM D2321, "STANDARD PRACTICE FOR UNDERGROUND
<br />INSTALLATION OF THERMOPLASTIC PIPE FOR SEWERS AND OTHER GRAVITY FLOW APPLICATIONS", LATEST ADDITION,
<br />WITH THE EXCEPTION THAT THE INITIAL BACKFILL MAY EXTEND TO THE CROWN OF THE PIPE. SOIL CLASSIFICATIONS
<br />ARE PER THE LATEST VERSION OF ASTM D232.1. CLASS IVB MATERIALS (MH, CH) AS DEFINED IN PREVIOUS VERSIONS OF
<br />ASTM D2321 ARE NOT APPROPRIATE BACKFILL MATERIALS.
<br />2. MEASURES SHOULD BE TAKEN TO PREVENT MIGRATION OF NATIVE FINES INTO BACKFILL MATERIAL, WHEN REQUIRED.
<br />3. FOUNDATION: WHERE THE TRENCH BOTTOM IS UNSTABLE, THE CONTRACTOR SHALL EXCAVATE TO A DEPTH REQUIRED
<br />BY THE ENGINEER AND REPLACE WITH SUITABLE MATERIAL AS SPECIFIED BY THE ENGINEER. AS AN ALTERNATIVE AND
<br />AT THE DISCRETION OF THE DESIGN ENGINEER, THE TRENCH BOTTOM MAY BE STABILIZED USING A GEOTEXTILE MATERIAL.
<br />4. BEDDING: SUITABLE MATERIAL SHALL BE CLASS 1, 11, 111, OR IV. THE CONTRACTOR SHALL PROVIDE DOCUMENTATION FOR
<br />MATERIAL SPECIFICATION TO ENGINEER. COMPACTION SHALL BE SPECIFIED BY THE ENGINEER IN ACCORDANCE WITH
<br />TABLE 3 FOR THE APPLICABLE FILL HEIGHTS LISTED. UNLESS OTHERWISE NOTED BY THE ENGINEER, MINIMUM BEDDING
<br />THICKNESS SHALL BE 4" (100mm) FOR 12"-24" (300mm-600mm) DIAMETER PIPE; 6" (150mm) FOR 30"-60" (750mm-1500mm)
<br />DIAMETER PIPE. THE MIDDLE 1/3 BENEATH THE PIPE INVERT SHALL BE LOOSELY PLACE. PLEASE NOTE, CLASS IV
<br />MATERIAL HAS LIMITED APPLICATION AND CAN BE DIFFICULT TO PLACE AND COMPACT; USE ONLY WITH THE APPROVAL OF
<br />A SOIL EXPERT.
<br />5. INITIAL BACKFILL: SUITABLE MATERIAL SHALL BE CLASS 1, 11, III, OR IV IN THE PIPE ZONE EXTENDING TO THE CROWN OF THE
<br />PIPE. THE CONTRACTOR SHALL PROVIDE DOCUMENTATION FOR MATERIAL SPECIFICATION TO ENGINEER. MATERIAL SHALL
<br />BE INSTALLED AS REQUIRED IN ASTM D2321, LATEST EDITION. COMPACTION SHALL BE SPECIFIED BY THE ENGINEER IN
<br />ACCORDANCE WITH TABLE 3 FOR THE APPLICABLE FILL HEIGHTS LISTED. PLEASE NOTE, CLASS IV MATERIAL HAS LIMITED
<br />APPLICATION AND CAN BE DIFFICULT TO PLACE AND COMPACT; USE ONLY WITH THE APPROVAL OF A SOIL EXPERT.
<br />6. MINIMUM COVER: MINIMUM COVER, H, IN NON -TRAFFIC APPLICATIONS (GRASS OR LANDSCAPE AREAS) IS 12" (300mm) FROM
<br />THE TOP OF PIPE TO GROUND SURFACE. ADDITIONAL COVER MAY BE REQUIRED TO PREVENT FLOTATION. FOR TRAFFIC
<br />APPLICATIONS; CLASS I OR 11 MATERIAL COMPACTED TO 90% SPD AND CLASS III COMPACTED TO 95% SPD IS REQUIRED.
<br />FOR TRAFFIC APPLICATIONS, MINIMUM COVER, H, IS 12" (300mm) UP TO 48" (1200mm) DIAMETER PIPE AND 24" (600mm) OF
<br />COVER FOR 60" (1500mm) DIAMETER PIPE, MEASURED FROM TOP OF PIPE TO BOTTOM OF FLEXIBLE PAVEMENT
<br />OR TO TOP OF RIGID PAVEMENT.
<br />LEGEND
<br />ALIGNMENT
<br />PIPE
<br />[^] CONCRETE
<br />ROCK
<br />DISCLAIMER TEXT:
<br />THIS DRAWING HAS BEEN PREPARED FOR THE USE OF ALEXCO WATER AND
<br />ENVIRONMENT INC,'S CLIENT, COLORADO LEGACY LAND, LLC AND MAY NOT BE USED,
<br />REPRODUCED OR RELIED UPON BY THIRD PARTIES, EXCEPT AS AGREED BY ALEXCO
<br />WATER AND ENVIRONMENT INC, AND COLORADO LEGACY LAND, LLC AS REQUIRED BY
<br />LAW OR FOR USE OF GOVERNMENTAL REVIEW AGENCIES, ALEXCO WATER AND
<br />ENVIRONMENT INC. ACCEPTS NO RESPONSIBILITY, AND DENIES ANY LIABILITY
<br />WHATSOEVER, TO ANY PARTY THAT MODIFIES THIS DRAWING WITHOUT ALEXCO WATER
<br />AND ENVIRONMENT'S EXPRESS WRITTEN CONSENT
<br />TABLE 1, RECOMMENDED MINIMUM TRENCH WIDTHS
<br />TABLE 2, MINIMUM RECOMMENDED COVER BASED ON
<br />VEHICLE LOADING CONDITIONS
<br />SURFACE LIVE LOADING CONDITION
<br />HEAVY CONSTRUCTION
<br />PIPE DIAM. H-25 (75T AXLE LOAD)
<br />121f - 4811 1211
<br />4811
<br />(300mm - 1200mm) 305mm) (1219mm
<br />601' 2411 6011
<br />(1500mrn) (610mm (1 524m
<br />* VEHICLES IN EXCESS OF 75T MAY REQUIRE ADDITIONAL COVER
<br />TARLF 3_ MAXIMUM COVER FOR ADS HP STORM PIPE, ft
<br />MIN. TRENCH
<br />PIPE DIAM.
<br />WIDTH
<br />12"
<br />3011
<br />300mm
<br />762mm
<br />15"
<br />34'1
<br />375mm
<br />864mm
<br />1 811
<br />3911
<br />(450mm)
<br />(991 mm
<br />2411
<br />4811
<br />(600mm)
<br />(1219mm)
<br />3011
<br />5611
<br />(750mm)
<br />(1422mm)
<br />361,
<br />6411
<br />900mm
<br />1626mm
<br />421'
<br />7211
<br />1050mm
<br />1829mm
<br />4811
<br />8011
<br />1200mm
<br />2032mm
<br />601f
<br />961
<br />1500mm
<br />2438mm
<br />TABLE 2, MINIMUM RECOMMENDED COVER BASED ON
<br />VEHICLE LOADING CONDITIONS
<br />SURFACE LIVE LOADING CONDITION
<br />HEAVY CONSTRUCTION
<br />PIPE DIAM. H-25 (75T AXLE LOAD)
<br />121f - 4811 1211
<br />4811
<br />(300mm - 1200mm) 305mm) (1219mm
<br />601' 2411 6011
<br />(1500mrn) (610mm (1 524m
<br />* VEHICLES IN EXCESS OF 75T MAY REQUIRE ADDITIONAL COVER
<br />TARLF 3_ MAXIMUM COVER FOR ADS HP STORM PIPE, ft
<br />FILL HEIGHT TABLE GENERATED USING AASKM SLL 11UN I Z, LUAU
<br />RESISTANCE FACTOR DESIGN (LRFD) PROCEDURE WITH THE FOLLOWING
<br />ASSUMPTIONS:
<br />NO HYDROSTATIC PRESSURE
<br />UNIT WEIGHT OF SOIL (ys) = 120 PCF
<br />ALEXCO
<br />WAT
<br />ENVIRONMENT
<br />0 .L.cc�
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<br />NORTH WASTE ROCK PILE DIVERSION PIPE -NOTES SHEET 2
<br />HP STORM TRENCHING DETAIL RECEIVE13
<br />SCHWARTZWALDER MINE, MAY 2 4 2018
<br />GOLDEN COLORADO
<br />TECHNICAL REVISION #28 om"OFMouWuflpN
<br />MINE LAND RECLAMATION PERMIT M-19ITTMpm
<br />REVISION: B
<br />DRAWN BY: EW
<br />5-22-19
<br />DESIGNED BY: SL
<br />PROJECT No.: SCHWARTZ.
<br />REVIEWED BY: SL
<br />A S I
<br />CL S
<br />CLASS I1
<br />CLASS III
<br />CLASS
<br />IV
<br />PIPE DIA
<br />COMPACTED
<br />95%
<br />90%
<br />1
<br />85%
<br />95%
<br />90%
<br />95%
<br />1211
<br />41
<br />28
<br />21
<br />16
<br />20
<br />16
<br />16
<br />(300mm)
<br />(12.5m)
<br />(8.5m)
<br />(6.4m)
<br />(4.9m)
<br />(6.1,m)-
<br />(4.9m)
<br />(4.9m)
<br />1 511
<br />42
<br />29
<br />21
<br />16
<br />21
<br />16
<br />16
<br />(375mm)
<br />(12.8m)
<br />(8.8m)
<br />(6.4m)
<br />(4.9m)
<br />(6.4m)
<br />(4.9m)
<br />(4.9m)
<br />18"
<br />44
<br />30
<br />21
<br />16
<br />22
<br />17
<br />16
<br />(450mm)
<br />(13.4m)
<br />(9.1 m)
<br />(6.4m)
<br />(4.9m)
<br />(6.7m)
<br />(5.2m)
<br />(4.9m)
<br />2411
<br />37
<br />26
<br />18
<br />14
<br />19
<br />14
<br />14
<br />(600mm)
<br />(11.3m)
<br />(7.9m)
<br />(5.5m)
<br />(4.3m)
<br />(5.8m)
<br />(4.3m)
<br />(4.3m)
<br />3011
<br />39
<br />27
<br />19
<br />14
<br />19
<br />15
<br />14
<br />(750mm)
<br />(11.9m)
<br />(8.2m)
<br />(5.8m)
<br />(4.3m)
<br />(5.8m)
<br />(4.6m)
<br />(4.3m)
<br />3611
<br />28
<br />20
<br />14
<br />10
<br />14
<br />11
<br />10
<br />(900mm)
<br />(8.5m)
<br />(6.1 m)
<br />(4.3m)
<br />(3.4m)
<br />(4.3m)
<br />(3.4m)
<br />(3.0m)
<br />42f1
<br />30
<br />21
<br />14
<br />19
<br />15
<br />11
<br />10
<br />(1050mm)
<br />(9.1 m)
<br />(6.4m)
<br />(4.3m)
<br />(3.0m)
<br />(4.6m)
<br />(3.4m)
<br />(3.0m)
<br />48M1
<br />29
<br />20
<br />14
<br />9
<br />14
<br />10
<br />10
<br />(1200mm)
<br />(8.8m)
<br />(6.1 m)
<br />(4.3m)
<br />(2.7m)
<br />(4.3m)
<br />(3.0m)
<br />(3.0m)
<br />60"
<br />29
<br />20
<br />14
<br />9
<br />14
<br />10
<br />9
<br />(1500mm)
<br />(8.8m)
<br />(6.1m)
<br />(4.3m)
<br />(2.7m)
<br />(4.3m)
<br />(3.0m)
<br />t (2.7m}
<br />FILL HEIGHT TABLE GENERATED USING AASKM SLL 11UN I Z, LUAU
<br />RESISTANCE FACTOR DESIGN (LRFD) PROCEDURE WITH THE FOLLOWING
<br />ASSUMPTIONS:
<br />NO HYDROSTATIC PRESSURE
<br />UNIT WEIGHT OF SOIL (ys) = 120 PCF
<br />ALEXCO
<br />WAT
<br />ENVIRONMENT
<br />0 .L.cc�
<br />J.
<br />.cn 41234 rn:
<br />S�S�ONA1-��
<br />NORTH WASTE ROCK PILE DIVERSION PIPE -NOTES SHEET 2
<br />HP STORM TRENCHING DETAIL RECEIVE13
<br />SCHWARTZWALDER MINE, MAY 2 4 2018
<br />GOLDEN COLORADO
<br />TECHNICAL REVISION #28 om"OFMouWuflpN
<br />MINE LAND RECLAMATION PERMIT M-19ITTMpm
<br />REVISION: B
<br />DRAWN BY: EW
<br />5-22-19
<br />DESIGNED BY: SL
<br />PROJECT No.: SCHWARTZ.
<br />REVIEWED BY: SL
<br />
|