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Home My WebLink AboutC2.50 Drainage Details 12"STRIP OF GEOTEXTILE TURN UP AGAINST 12"STRIP OF GEOTEXTILE TURN UP AGAINST STEEL COLLAR FRAME TO REMAIN IN PLACE Sheet Notes: \\ COLLAR AND TRIM BELOW FINAL SURFACE STEEL COLLAR FRAME TO REMAIN IN PLACE COLLAR AND TRIM BELOW FINAL SURFACE AFTER COLLARS ARE POURED (SIZE MAY VARY �� THE 11 AFTER COLLARS ARE POURED DEPENDING ON BRICK PATTERN) A. IF GROUNDWATER IS ENCOUNTERED THE CONTRACTOR SHALL NOTIFY THE ' LAND "�� I ENGINEER AS SOON AS POSSIBLE FOR REDESIGN OF DRAINAGE FACILITY TO PROVIDE 3'MIN. CLEARANCE BETWEEN GROUNDWATER AND THE BOTTOM OF F—IF—IF—IF—IF—I II �� I �� THE FACILITY. UNTIMELY NOTIFICATION OF THE ENGINEER MAY RESULT IN G R 0 U P _ _ _ _ ADDITIONAL COSTS TO THE CONTRACTOR. 0 0 0 - - - i 0 000 - - - 0 I 00 , 0 Groundwater Note: A I � 0 A g l , 0 g L— J I I I I I A. GROUND WATER DATA FOR THIS SITE IS BASED UPON ATLAS GEOTECHNICAL I=E;� F—J: IF= L�7�r I REPORT 0 GROUND FWATER MONITORING.ILE NO B210816g TGROUND WATER IS ESTIMATED TO BEING Lie, r GREATER THAN 5-FT BELOW FINISH GROUND. STRING OR SAILOR COURSE OF PAVERS AROUND STRING OR SAILOR COURSE OF PAVERS AROUND COLLAR. COLLAR. NO CUT PAVERS PLACED DIRECTLY SCORE JOINTS AT MIDPOINT NO CUT PAVERS PLACED DIRECTLY AGAINST COLLAR SCORE JOINTS AT MIDPOINT Paver Notes: AGAINST COLLAR STEEL COLLAR FRAME SEE DETAIL THIS SHEET STEEL COLLAR FRAME. SEE DETAIL THIS SHEET 1/8"STEEL FORM TO REMAIN CONCRETE PAVER (SEE NOTE 1) A. V100 STORM 2,139 CF,VOLUME PROVIDED IS 2,279 CF. CONCRETE COLLAR MIN 4'SQUARE x 8"DEEP 12"STRIP OF GEOTEXTILE TURN UP AGAINST CAST IRON VALVE BOX AND LID 12"STRIP OF GEOTEXTILE TURN UP AGAINST COVER ELEVATION TO BE 1/4"BELOW PAVERS COLLLAR AND TRIM BELOW FINAL SURFACE CONCRETE COLLAR MIN 2'SQUARE x 8"DEEP B. ACHD STAFF MUST VERIFY THE SUBGRADE INFILTRATION RATE AFTER THE COLLAR AND TRIM BELOW FINAL SURFACE FIBER REINFORCED /Ix ELEVATION TO BE 1/4" BELOW PAVERS FACILITY IS FULLY EXCAVATED. PER ISPWC SD-508 CONCRETE PAVER (SEE NOTE 1) FIBER REINFORCED PER ISPWC SD-508 C. PICP SYSTEMS (PERMEABLE PAVERS) SHALL BE INSTALLED BY A co .4 CONTRACTOR THAT HAS AN INTERLOCKING CONCRETE PAVEMENT INSTITUTE o o o a 60 (ICPI) CONCRETE PAVER INSTALLATION CERTIFICATE. DOCUMENTATION OF CERTIFIED INSTALLERS SHALL BE PROVIDED PRIOR TO ISSUANCE OF THE MIN 6"OF BASE OQ o o�OQ o oQ o 0 00 o RIGHT-OF-WAY PERMIT. UNDER COLLAR C �, - D. INSTALL ELECTRONIC MARKERS ON EACH CORNER OF THE ACHD DRAINAGE SECTION A-A CONCRETE GRADE RINGS MIN 6"OF BASE FACILITY. COORDINATE WITH ACHD INSPECTION FOR PLACEMENT OF THE AS REQUIRED 18"MAX. UNDER COLLAR SECTION B-B MARKERS DURING CONSTRUCTION AND PRIOR TO BACKFILLING.ACHD TO SUPPLY THE DEVICES. DESIGN NOTES: DESIGN NOTES: 1 PAVER AND BASE THICKNESS ARE BASED UPON ASPECT RATIO REQUIREMENTS FOR THE INTENDED TRAFFIC E. FOR ALL NEW SUBDIVISIONS, PICP SYSTEMS SHALL BE SUBJECT TO THE . 1. PAVER AND BASE THICKNESS ARE BASED UPON ASPECT RATIO REQUIREMENTS FOR THE INTENDED TRAFFIC LOADING. STANDARD 2-YEAR WARRANTY REQUIRED BY ACHD FOR ALL STREETS. 2. INSURE THE GEOTEXTILE SHOWN IS TRIMMED BELOW THE SURFACE OF THE BLOCK TO REDUCE THE RISK OF RAVELING. LOADING. 2 INSURE THE GEOTEXTILE SHOWN IS TRIMMED BELOW THE SURFACE OF THE BLOCK TO REDUCE THE RISK OF ADDITIONALLY,A DEVELOPMENT AGREEMENT SPECIFIC TO THIS BMP SHALL . 3. CONCRETE COLLARS TO BE PLACED AFTER BASE IS INSTALLED. BE REQUIRED PRIOR TO PLAN ACCEPTANCE. 4. POUR CONCRETE COLLAR PRIOR TO SETTING PAVERS. CONTRACTOR SHALL TAKE SPECIAL CARE TO ENSURE THAT THE RAVELING. COLLAR SIDES ARE PARALLEL AND PERPENDICULAR TO THE LINE OF PAVERS. FAILURE TO COMPLY WILL RESULT IN 3. DO NOT PLACE THIS ASSEMBLY AT THE LOWEST PAVEMENT ELEVATIONS. THE CONTRACTOR REMOVING AND RE-POURING COLLAR AT THEIR EXPENSE. 4. POUR CONCRETE COLLAR PRIOR TO SETTING PAVERS. CONTRACTOR SHALL TAKE SPECIAL CARE TO ENSURE FINISH GRADE THAT THE COLLAR SIDES ARE PARALLEL AND PERPENDICULAR TO THE LINE OF PAVERS. FAILURE TO COMPLY z WILL RESULT IN THE CONTRACTOR REMOVING AND RE-POURING COLLAR AT THEIR EXPENSE. 00 Paver Manhole Collar Paver Valve Collar I-III ITI=1�1 - , Q . �. - = 1= —ITI=ITI Scale: NTS Scale: NTS III—ITI— —III o o . Q. MANHOLES 5.53'S UARE III „III-I11� 3 00 aP VALVES DEPENDING UP NUMBE 5 3 CA PLAN CONCRETE COLLAR Ilk VARIES J N.T.S. U W CONTINUOUS WELDED SEAM (WHERE WELDED) o CA ~ All, R7_111 L'i Al— - - - - - - - - - - - - - - - ao x — — — — — — — — — — — — — — � � W W 6 SECTION CONCRETE COLLAR 1 1/2"IRON RAIL SECTION C-C N.T.S. BEND AROUND 4 WELDED a_ O CORNER (4-TYP) CA _ 0 0 CO3 CD MANHOLES 4'SQUARE, 9 VALVES DEPENDING UPON NUMBER 1 1/2"IRON RAIL 0 0m O WELDED Steel Collar Frame Q = 3 cc o Scale: NTS � � z co 0 o Q J Cfl M 00 3"REVERSE PAN ROLLED 3"REVERSE PAN ROLLED SECTION z CURB AND GUTTER PER VARIES SEE PLANS CURB AND GUTTER PER N.T.S. CJ _ &NE Q ACHD SUPP SD-702R ACHD SUPP SD-702Rcc o PERMEABLE CONCRETE PAVER: BASALITE LO o w SPECPAVE 100. 11"x 5.5"X 100mm THICK. COLOR: TERRACOTTA/CHARCOAL BLEND WITH CHARCOAL SOLDIER COURSES. Revisions TYP. NO. 8 AGGREGATE IN OPENINGS 2017 ACHD REVISION 1 NO. 8 AGGREGATE BEDDING COURSE 1.5"DEPTH (TYP. NO. 8 N0. 8 AGGREGATE IDAHO STANDARDS AGGREGATE) FOR PUBLIC WORKS GROUNDWATER STANDARD DRAWING 1" VARIES VARIES 1" I CONSTRUCTION OBSERVATION WELL S D — 6 2 7 (ACHD SUPPLEMENT) 1 OF 2 � o 0 0 0 0 0 0 0 0 0 0 0 o v z o 0 0 0 0 o LEGEND WELL COVER, 8" DIA. WATERTIGHT GALVANIZED STEEL BOLT DOWN COVER AND CANISTER SECTION NOTES: 0 2 OR 3 BOLT LID WITH 9/1 6" HEAD AND SAE THREADS, GASKETED BOTTOM OF STONE ELEV:2546,60 _�_ _� 1. MINIMUM SEPARATION FROM THE BOTTOM OF ANY INFILTRATION FACILITY TO SEASONAL Q3 CONCRETE (COLLAR), CLASS 3000 (ISPWC SECTION 703) _ � � � � � � —III—III—III_ IF —III—III—III—III—III—III—III—zl— —III—III— —III—III—III III—III—III- HIGH GROUND WATER OR BED ROCK SHALL BE A MINIMUM OF 3-FT. GROUNDWATER FOR O 3/8" DIA HOLES OR SLOTS CUT INTO PIPE AT 3" ON CENTER —III III III — —III—III—III—III—III—III—III— —III—III—III III—III—III— III—III—� THIS SITE IS EXPECTED TO BE >5-FT BELOW FINISH GRADE BASED UPON ATLAS O TRACER WIRE SHALL BE PLACED ON OUTSIDE OF PVC PIPE, MINIMUM 18 GAUGE, INSULATED, SINGLE- 4"DEPTH N0. 57 STONE I— —III—III—III—III—III—III—III—III—=_III—III—III— —III—III—III— —III III GEOTECHNICAL REPORT FILE NO B210816g, DATED APRIL 19, 2021. CONDUCTOR COPPER WIRE, INSULATION COLOR SHALL BE GREEN WITH THREE 6" DIAMETER COILS OPEN-GRADED BASE III—III—III—III—III—III III III III—III III III—THII III III III-- (:D PIPE SHALL BE PERFORATED PVC, ASTM D-3035, SDR 35. WELLS BACKFILLED IN A PIT REQUIRE 6" III—III—III—III—III—III—III—III—III—III—III—III—III III—III—III— I II NON-WOVEN 2. DESIGN INFILTRATION RATE FOR PAVER SYSTEM IS 0.70 IN/HR. CONTRACTOR TO HAVE PIPE. DRILLED WELLS MAY USE 4" PIPE —III—III—III III—III—III—III—III—III—III—III—I I—III— I I—I I—III—III— GEOTEXTILE FABRIC 0' NONWOVEN FILTER FABRIC AROUND OPENINGS AND BOTTOM, FABRIC OVER CHIPS/DRAIN ROCK NO. 2 STONE SUB-BASE III—III—III— —III—III—III—III—III—III—III—III—III—III III—I II—III— INFILTRATION TEST PERFORMED BY SOILS ENGINEER AFTER SEEPAGE TRENCH IS FULLY z ON ENDS AND SIDES OO POLYPROPYLENE FIBER REINFORCEMENT AT 1 1/2 LBS/CY III —III—III III —III—III—III III—III—III—III—III— o III III—III- EXCAVATED.ACHD INSPECTOR MUST BE PRESENT DURING INFILTRATION TESTING. IF THE 0 BACKFILL MATERIAL TO MATCH STORAGE MEDIA FOR OBSERVATION WELLS LOCATED WITHIN A BMP FACILITY. ZpNAL - -III—III—I I—III—III—III—I —I I—III—III-III-III III—III. III PERCOLATION IS LESS THAN SPECIFIED RATE, CONTRACTOR WILL NEED TO USE PIPE BEDDING CHIPS FOR OBSERVATION WELLS LOCATED OUTSIDE BMP FACILITIES C,Ss ENG'l l III—Ili l �G III III III III �, OVEREXCAVATE THE PAVER SUBGRADE TO FREE DRAINING SOILS FOR DRAINAGE TO EN SF Q,p��/ Cl- n OCCUR OR CONTACT THE ENGINEER TO REDESIGN THE SYSTEM TO ACHIEVE THE FREE DRAINING SOIL REQUIRED CRITERIA. NOTES: 2139 1. GROUNDWATER OBSERVATION WELLS ARE FOR MEASUREMENT OF GROUNDWATER LEVELS WITHIN OR NEAR SUBGRADE 3. CONTRACTOR TO SCARIFY SUBGRADE PRIOR TO PLACEMENT OF THE PAVER SECTION TO STORM DRAINAGE FACILITIES 06/03/2025�0 PROMOTE INFILTRATION.AFTER THE SUBGRADE IS SCARIFIED, EFFORTS TO KEEP TRAFFIC 2. THIS DETAIL IS FOR WELLS INSTALLED BY DRILLING OR BY EXCAVATED PITS 9TE OF �pP HIGH GROUND WATER LEVELGROUNDWATER SHALL BE INCLUDING PAVER PLACEMENT EQUIPMENT OFF OF THE SUBGRADE SHALL BE MADE TO 4. OBSERVV TION WELLS NOT OBSERVATION WELLS APPROVED ALLOWED IN OR VALLEY GUTTER Y ACHD ELEV: <2543.00 ( ) SECTION �9�E K M`� $ PREVENT COMPACTION OF THE MATERIAL. 4. REFER TO ACHD BMP-34 FOR OTHER DETAILS. F Project No.: 121130 Date of Issuance: 05.08.2025 D Permeable Paver Installation Groundwater Observation Well Detail Project Milestone: CONSTRUCTION DOCUMENTS Scale: NTS Scale: NTS Drainage Details �E N oaE L C2m5O ��o