HILCORP ALASKA, LLC HAPPY VALLEY MIDDLE NATURAL GAS EXPLORATION PROJECT DEEP CREEK UNIT BOUNDARY PROPOSED ACCESS ROAD T02S T03S R14W
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1 , LLC STERLING HWY. M.P TIM AVE. DEEP CREEK UNIT BOUNDARY TIM AVE. CULVERT REPLACEMENT PROPOSED ACCESS ROAD T2S T3S 31 NINILCHIK, ALASKA BEGIN ROAD CONSTRUCTION 1 6 R14W R13W 8 DEEP CREEK UNIT PROPOSED BOUNDARY PAD INDEX S 6 VICINITY MAP 1 NO. DESCRIPTION 1 VICINITY MAP 2 MAP 3 GRAVEL ACCESS ROAD PLAN GRAVEL ACCESS ROAD S CROSSING & 4 S CULVERT SECTIONS GRAVEL ACCESS ROAD STREAM CROSSING CULVERT SECTION & TIM AVE. HAPPY CREEK ARCH PIPE TYPICAL SECTION TIM AVE. WIDENING & ARCH PIPE SECTIONS TIM AVE. WIDENING & ARCH PIPE PLAN GRAVEL ACCESS ROAD S IMPACTS (MAP 1 2) GRAVEL ACCESS ROAD S IMPACTS (MAP 2 2) GRAVEL ACCESS ROAD STREAM CULVERT PLAN FILL ACREAGES & VOLUMES : 1" = 6' NO. 1
2 STERLING HIGHWAY HAPPY CREEK R14W R13W TIM AVE. M.P STA END TIM AVE BEGIN LOGGING ROAD 25+ STA TIM AVE BEGIN NEW ACCESS STA ROAD CONSTRUCTION STA 57+5 CULVERT REPLACEMENT SEE 7 CROSSING SEE S 8 & 9 STREAM CROSSING SEE 1 STA END ACCESS ROAD CLAM CREEK PROPOSED PAD 3' x 4' : 1" = 5' NO. 2
3 345+ SECTION 36 CIRI OWNERSHIP SECTION 31 STATE OWNERSHIP STA CROSSING SEE S STA STREAM CROSSING SEE SECTION 1 STATE OWNERSHIP SECTION 6 STATE OWNERSHIP ROAD PROPOSED PAD 1 : 1" = 1' NO. 3
4 28' 18' S 2:1 3" MIN. DEPTH KPB TYPE I MATERIAL 2:1 S GEOGRID BX 11 ON NON-WOVEN GEOTEXTILE GEOTEX NW 61 OR EQUAL NATIVE SOIL NOTES: 1. GRAVEL FILL SHALL BE PLACED IN NO GREATER THAN 12" LIFTS AND COMPACTED TO 95% MAXIMUM DENSITY, AS DETERMINED BY AASHTO T 18, METHOD D. 2. TOP 4" KPB TYPE I MATERIAL SHALL BE COBBLE FREE (3" MAX. PARTICLE SIZE). 3. GRAVEL FILL SHALL BE UNDERLAIN WITH NON-WOVEN GEOTEXTILE, GEOTEX NW 61 OR EQUAL OVER BX 11 OR EQUAL. 4. IN AREAS CONTRACTOR MAY NOT PLACE FILL, REMOVE NATIVE MATERIAL, OR RUN EQUIPMENT OUTSIDE DESIGNATED CONSTRUCTION ZONE AS MARKED IN FIELD BY THE ENGINEER. A 4 18' WIDE ROAD SECTION - S : 1" = 1' 18" Ø CORRUGATED STEEL PIPE (CSP) (SEE PLAN S FOR DIMENSIONS) 18' S S GEOGRID BX 11 ON NON-WOVEN GEOTEXTILE GEOTEX NW 61 OR EQUAL NATIVE SOIL PIPE BEDDING KPB TYPE I MATERIAL, 6" MIN. DEPTH 3" MAX. PARTICLE SIZE B 4 1. ALL CULVERTS SHALL BE CORRUGATED STEEL. 2. PRE-LEVEL WITH 6" DEPTH KPB TYPE I MATERIAL PIPE BEDDING. 3. PIPE BEDDING FILL IS 1.1 CUBIC YARDS PER 18" CULVERT. 4. EXCAVATION MATERIAL SHALL BE DISPOSED IN AN UPLAND AREA. 18' WIDE ROAD- W/ CROSS CULVERT SECTION : 1" = 1' : 1" = 1' NO. 4
5 STREAM CROSSING ROAD EMBANKMENT SEE TYPICAL A/4 24"Ø x 45' CORRUGATED STEEL PIPE (CSP) A 5 GEOGRID BX 11 ON NON-WOVEN GEOTEXTILE GEOTEX NW 61 OR EQUAL PIPE BEDDING KPB TYPE I MATERIAL, 6" MIN. DEPTH 3" MAX. PARTICLE SIZE UNNAMED STREAM CROSSING W/ 24" CULVERT SECTION : 1" = 1' - STA ALL CULVERTS SHALL BE CORRUGATED STEEL. 2. PRE-LEVEL WITH 6" DEPTH KPB TYPE I MATERIAL PIPE BEDDING. 3. PIPE BEDDING FILL IS 2.5 CUBIC YARDS. 4. EXCAVATION MATERIAL SHALL BE DISPOSED IN AN UPLAND AREA. 5. NO FLOWING WATER PRESENT AT TIME FIELD SURVEY. 6. IF FLOWING WATER IS PRESENT AT TIME CONSTRUCTION USE PUMPED WATER BYPASS WITH APPROPRIATE SCREED INTAKE AND ENERGY DISSIPATION AT DISCHARGE. SIMILAR TO BYPASS AT TIM AVE. & HAPPY CREEK CROSSING. (3. CUBIC YARDS TEMPORARY DISCHARGE.) KPB TYPE I MATERIAL 3" MAX. PARTICLE SIZE EMBANKMENT MATERIAL CORRUGATED STEEL ARCH PIPE 95" x 67" x 45', 12 GAGE 1.' 1.' 1.' PIPE BEDDING KPB TYPE I MATERIAL, 12" MIN. DEPTH 3" MAX. PARTICLE SIZE 95" STREAM CHANNEL BACKFILL NOTES: 1. INSTALL PIPE AT SPECIFIED GRADE AND. 2. PLACE CHANNEL BACKFILL MATERIAL IN PIPE. MATCH UPSTREAM AND DOWNSTREAM CHANNEL CHARACTERISTICS. USE LOCAL GRAVELLY SAND WITH CLUSTERS COBBLES. 3. USE PUMPED WATER BYPASS WITH APPROPRIATE SCREENED INTAKE AND ENERGY DISSIPATION AT DISCHARGE B 5 CORRUGATED ARCH PIPE TYPICAL SECTION : 1" = 5' : N/A NO. 5
6 21 19 INVERT ELEV. 198.' A 6 ROADBED WIDENING SECTION (WHERE NECESSARY) 24" (MIN) KPB TYPE I MATERIAL SUITABLE MATERIAL FROM EXISTING ROAD EMBANKMENT S EXISTING ROAD EMBANKMENT 95" x 67" x 45', 12 GAGE CORRUGATED ARCH PIPE w/ END SECTIONS ROAD & ARCH PIPE SECTION : 1" = 15' KPB TYPE I MATERIAL, 6" (MIN) DEPTH B 6 2:1 2.% C L TIM AVENUE TO : 1" = 5' EXISTING SHOULDER 18' 2.% T 19 FG ROAD EMBANKMENT 21 END SECTION TOP ICE INVERT ELEV. 198.' PIPE BEDDING KPB TYPE I MATERIAL,12" MIN. DEPTH 3" MAX PARTICLE SIZE, OVER NON-WOVEN GEOTEXTILE GEOTEX NW61 OR EQUAL MATERIAL FROM EXISTING ROAD EMBANKMENT USED IN ROADBED WIDENING AREA 9' 9' 1' TOPSOIL (4") & HYDROSEED 2' EXISTING ROAD EMBANKMENT NON-WOVEN GEOTEXTILE GEOTEX NW 61 OR EQUAL 2:1 FILL SLOPE COVER w/ EROSION CONTROL MATTING S DRAWN BY: : N/A NO. BGB 6 11
7 HAPPY CREEK PARCEL ID E1/2 SW1/4 SEC33 T2S R14W UNIVERSITY ALASKA PUMP INTAKE SUMP w/ SCREEN TEMPORARY DIVERSION DIKE SANDBAGS w/ IMPERMEABLE LINER TOP BANK STREAM FLOW DIVERSION SYSTEM PUMP w/ INLET AND OUTLET SYSTEMS I SS 26 DIVERSION PIPE BURY IN ROAD EMBANKMENT PUMP ' SLE 33' SLE / TIM AVE. R.O.W FILL TOE EXISTING ROAD SHOULDER EXISTING ROAD SHOULDER SECTION LINE O STEEL POST (4) REMOVE & DISPOSE CONCRETE SLABS REMOVE & DISPOSE PROPOSED 95" x 67' x 45', 12 GAGE CORRUGATED STEEL ARCH PIPE SEE TYPICAL B/5 & A/6 FILL TOE EXISTING 48" CSP (CRUSHED) EXISTING 6" CSP REMOVE & DISPOSE SILT FENCE ' 21 SILT FENCE HAPPY CREEK 22 TOP BANK PUMP OUTLET ENERGY DISSIPATION SYSTEM PASS FLOW THROUGH NON-WOVEN GEOTEXTILE ROADBED WIDENING, 18' WIDTH SEE TYPICAL B/6 23 PARCEL ID LOT 2 BASHAM SUB'D NO. 5 SEC4 T3S R14W MICHAEL R. BASHAM 3 6 : 1" = 3' NO. 7
8 SECTION 36 CIRI SECTION 31 ALASKA DNR STA BEGIN BEGIN TYPICAL SECTION A/4 DELINEATION AREA 417 UPLAND ' 28' MIN FILL SLOPE DAYLIGHT / UPLAND TRANSITION STA INSTALL 18" x 3' CSP SEE TYPICAL B/4 ROAD SHOULDER ROAD CENTERLINE SECTION 1 ALASKA DNR SECTION 6 ALASKA DNR 1 : 1" = 1' NO. 8
9 FILL SLOPE DAYLIGHT ' ROAD SHOULDER ROAD CENTERLINE STA INSTALL 18" x 3' CSP SEE TYPICAL SECTION B/ ' MIN SECTION 6 ALASKA DNR STA 265+ INSTALL 18" x 3' CSP SEE TYPICAL SECTION B/ STA END END TYPICAL SECTION A/ / UPLAND TRANSITION UPLAND : 1" = 1' NO. 9
10 483 SEC 6 T3S R13W 479 STATE ALASKA 48 ROAD CENTERLINE ROAD SHOULDER 481 INV. ELEV. TO BE MARKED IN FIELD BY ENGINEER FILL SLOPE DAYLIGHT ' 482 PROPOSED 24" x 45' CSP SEE TYPICAL A/6 INV. ELEV. TO BE MARKED IN FIELD BY ENGINEER FILL SLOPE DAYLIGHT GIS UNNAMED STREAM : 1" = 2' NO. 1 11
11 ACCESS ROAD DATA IMPACTED AREA EXCAVATION TOTAL FILL FILL 396. SF. CF CF CF.9 AC. CY CY CY ACCESS ROAD DATA: LENGTH ROAD IN = 1395 LF; WIDTH = 28'; MIN. FILL DEPTH 2.5' STREAM CROSSING - STA STREAM LENGTH CULVERT DIA. CULVERT LENGTH (FT) CHANNEL AREA TYPE I FILL IN CHANNEL PIPE BEDDING FILL IN CHANNEL CHANNEL EXCAVATION TEMPORARY DISCHARGE SANDBAGS 45. LF 24. IN 45. FT 33.6 SF 4.86 CY 2.5 CY 2.5 CY 3. CY CF 67.5 CF 67.5 CF 81. CF TIM AVE. WIDENING STA & CULVERT REPLACEMENT DATA IMPACTED AREA TOTAL EXCAVATION FILL PIPE BEDDING FILL KPB TYPE I ARCH PIPE STREAM CHANNEL BACKFILL TOTAL FILL TEMPORARY DISCHARGE (SANDBAGS) SF CF CF CF CF CF 135. CF.2 AC CY CY 69.1 CY CY CY 5. CY 95" x 67" x 45', 12 GAGE CORRUGATED STEEL PIPE. TOTAL LENGTH PIPE (END PAN TO END PAN) = 59.5' CULVERT LENGTH 3' EACH LF 9' TOTAL LF 18" CULVERT DATA STA 253+4, , 265+ EXCAVATION PER CULVERT TOTAL EXCAVATION FILL PER CULVERT TOTAL FILL 29.7 CF 89.1 CF 29.7 CF 89.1 CF 1.1 CY 3.3 CY 1.1 CY 3.3 CY (3) 18" CORRUGATED STEEL CULVERTS, 3' LONG EACH. AT STATIONS 253+4, , & 265+ TOTAL IMPACTS IMPACTED AREA EXCAVATION FILL TEMPORARY DISCHARGE (SANDBAGS) SF CF CF 216. CF.92 AC CY CY 8. CY : N/A NO
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