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GENERAL CONSTRUCTION NOTES
CODE:
VAULT STRUCTURAL DESIGN AND CONSTRUCTION SHALL CONFORM TO
THE PROVISIONS OF THE 2018IBC AS ADOPTED BY THE CITY OF
RENTON, WASHINGTON
GENERAL DETAILS:
CONSTRUCTION DETAILS NOT FULLY SHOWN OR NOTED SHALL BE
SIMILAR TO DETAILS SHOWN FOR SIMILAR CONDITIONS.
DISCREPANCIES:
THE CONTRACTOR SHALL NOTIFY ENGINEER UPON FINDING ANY
DISCREPANCY OR OMISSION IN THE DRAWINGS OR SPECIFICATIONS.
SHORING & EXCAVATION:
THE CONTRACTOR SHALL BE SOLEY RESPONSIBLE FOR ALL
EXCAVATION PROCEDURES, INCLUDING LAGGING, SHORING AND
PROTECTION OF ADJACENT PROPERTY, STRUCTURES, STREETS AND
UTILITIES.
WALL BACKFILL:
PRIOR TO BACKFILLING VAULT WALLS THE CONTRACTOR SHALL HAVE
PLACED THE LID PLANKS AND PROVIDED A MINIMUM OF 5 DAYS OF
CURE ON THE PLANK VOID FILL.
BACKFILL SOIL:
WALL BACKFILL SHALL BE WELL GRADED FREE DRAINING MATERIAL.
BACKFILL SHALL BE PLACED IN ACCORDANCE WITH THE
GEOTECHNICAL RECOMMENDATIONS. ALL COMPACTION OCCURING
WITHIN 5' OF THE WALL SHALL BE COMPLETED USING HAND
OPERATED MACHINERY.
PLAN KEYNOTES
5FTx1OFT OPENING TO RECEIVE RAISED OPEN METAL BAR GRATING
w/ INTEGRAL 36" x 36" HINGED ACCESS HATCH, SEE AIA/S2
HATCHED AREA REPRESENTS A 2411 WIDE x 12-1/211 THICK CAST IN
PLACE CONCRETE BM.
2411 DIAMETER OPENING w/ KNEEWALL TO ACCEPT RISERS, LADDER,
RING AND LOCKING MANHOLE COVER PER CIVIL DRAWINGS, SEE 4,5/S1
FOR LID REINF AT OPENING,
k 12-1/211 THICK PRECAST HOLLOW CORE PLANK, SEE DESIGN CRITERIA
NOTES ON SHEET SS20R PLANK LOADING REQUIREMENTS.
i. POUR SLOTS IN TOP OF PLANK. MANUFACTURER TO PROVIDE A
MINIMUM OF 2 SLOTS @ EACH END OF EACH PLANK, PLANK
MANUFACTURER MAY REQUIRE GROUTING OF ADDITIONAL CELLS
BEYOND THE MINIMUM SHOWN. THE GENERAL CONTRACTOR SHALL
INCLUDE GROUTING OF THESE ADDITIONAL CELLS IN HIS BID. SEE
WALL SECTIONS FOR REINFORCING,
i. PROVIDE BLOCKOUTS IN THE EDGE CELL OF THE PLANK PARALLEL
TO THE PERIMETER VAULT WALLS. LOCATE BLOCKOUTS
APPROXIMATELY AS SHOWN ON THIS PLAN. SEE WALL SECTIONS FOR
REINFORCING.
SPECIAL INSPECTION PLAN
GENERAL:
SPECIAL INSPECTION BY A QUALIFIED INSPECTOR IS REQUIRED IN
ACCORDANCE WITH THE 2(2018 IBC
QUALIFICATION:
THE SPECIAL INSPECTOR SHALL BE A QUALIFIED PERSON WHO SHALL
DEMONSTRATE COMPETENCE, TO THE SATISFACTION OF THE BUILDING
OFFICIAL.
REQUIRED VERIFICATION & INSPECTION:
THE SPECIAL INSPECTOR SHALL PERFORM THE VERIFICATIONS &
INSPECTIONS NOTED IN THE SCHEDULE BELOW
INSPECTION & TESTING SCHEDULE
TYPES OF WORK
FREQ,
2015 IBC
SECTION
CAST IN PLACE GONG
REINFORCING STEEL, PLACEMENT.
P
1705.3
INSTALLATION & FASTENING OF PRECAST PANELS
P
1705.3
PLACEMENT OF CONCRETE
C
1705.3
VERIFYING USE OF REQUIRED DESIGN MIX
P
1705.3
TESTING OF THE CONCRETE FOR SPECIFIED
STRENGTH, AIR CONTENT AND SLUMP
C
1705.3
STRUCTURAL STEEL
STRUCTURAL STEEL ( GRATING ) FABRICATION
P
1704.2.5
SOILS
VERIFICATION OF SOIL -BEARING CAPACITY:
INSTALLATION OF DRAINAGE SYSTEM:
C
1705.6
PLACEMENT & COMPACTION OF WALL BACKFILL:
P
1705.6
FREQUENCY LEGEND
C = CONTINUOUS P = PERIODIC
SEE REFERENCES AND STANDARDS LISTED WITHIN THE VERIFICATION &
INSPECTION SCHEDULE FOR MEANING OF PERIODIC AND CONTINUOUS
INSPECTIONS.
CERTIFICATE OF COMPLIANCE:
THE SPECIAL INSPECTION AGENCY SHALL PROVIDE A FINAL LETTER
CERTIFICATE OF COMPLIANCE STATING THAT THE REVIEWED WORK WAS
COMPLETED IN ACCORDANCE WITH THE PERMITTED DOCUMENTS.
SUBMITTAL OF REPORTS:
ALL SPECIAL INSPECTION REPORTS AND TESTING REPORTS SHALL BE
SUBMITTED TO THE OWNER, SITE STRUCTURES AND THE BUILDING
OFFICIAL BY THE AGENCY PERFORMING THE INSPECTION OR TESTING.
OPEN METAL GRATING
OPEN METAL GRATING SHALL BE WELDED STEEL BAR GRATING AS
SPECIFIED ON THE DRAWINGS. ALL STEEL GRATING AND GRATING
COMPONENTS INCLUDING ITEMS EMBEDED WITHIN THE CONCRETE SHALL
BE HOT DIPPED GALVANIZED AFTER FABRICATION,
SUPPLIER SHALL PROVIDE ALL COMPONENTS NECESSARY TO INSTALL
AND SECURE THE GRATING IN PLACE & SHALL PROVIDE SHOP DRAWINGS
DETAILING ALL COMPONENTS OF THE INSTALLATION TO THE ENGINEER
FOR REVIEW P-RIOR TO FABRICATION,
DESIGN CRITERIA
VERTICAL LOADS ON VAULT LID:
HOLLOW CORE PLANK
SCOPE OF WORK:
THE WORK INCLUDED IS THE DESIGN, MANUFACTURE AND DELIVERY OF
PRECAST PRESTRESSED CONCRETE UNITS. DESIGN PLANK FOR THE
UNIFORM LIVE LOAD : = 150PSF
MOST CRITICAL OF THE LOADING CONDITIONS AS SHOWN WITHIN THE
*HS25 TRUCK WHEEL LOADS :
DESIGN CRITERIA NOTE.
13'-611
14' to 301 TRACTOR:
THE MANUFACTURER SHALL SUBMIT STRUCTURAL CALCULATIONS AND
FRONT AXLE = 10,000 Ib,
PLACEMENT DRAWINGS SIGNED BY A WASHINGTON STATE REGISTERED
CIVIL ENGINEER FOR REVIEW PRIOR TO FABRICATION.
0 0 o SINGLE REAR AXLE = 40,000 Ib.
FRONT REAR REAR TRAILER :
THE MANUFACTURER SHALL INSTALL ALL BLOCK OUTS REQUIRED FOR
0 0 o SINGLE REAR AXLE = 40,000 Ib.
STRUCTURAL CONNECTIONS AS INDICATED ON THESE DRAWINGS, NO
TRACTOR TRAILER
OTHER PENETRATIONS ARE ALLOWED WITHOUT THE PRIOR APPROVAL
OF THE PLANK MANUFACTURER.
DESIGN LIVE LOAD AND TRUCK WHEEL LOAD TO BE APPLIED
INDEPENDENTLY AND IN COMBINATION WITH THE SOIL COVER DEAD
ALL HOLLOW CORE JOINTS SHALL BE GROUTED IN ACCORDANCE WITH
LOAD.
THE MANUFACTURER'S RECOMMENDATIONS.
IMPACT & FATIGUE:
HOLLOW CORE PLANKS BY
DUE TO THE LOW SPEEDS OF SERVICE VEHICLES OVER THE LID, AND
CONCRETE TECHNOLOGY CORPORATION
THE ACCOUOIL NT FOR COVERLOADS TO
IMPACT & FATIGUENCREASES IN ARE NOT REQUIRED.
STRUCTURAL STEEL
RAISED GRATE:
MATERIALS:
GRATES TO BE DESIGNED FOR HS25 WHEEL LOAD
a. STRUCTURAL STEEL SHAPES & PLATES SHALL CONFORM TO ASTM
SOIL COVER FOR LID DESIGN:
A36.
PLANK MANUFACTURER SHALL BE RESPONSIBLE FOR DETERMINING THE
b. HOLLOW STRUCTURAL SECTIONS SHALL CONFORM TO ASTM A500
SOIL COVER DEPTHS USED IN THE LID DESIGN BASED ON THE VAULT
GRADE B, Fy=42,000PSI.
AND FINISHED GRADE ELEVATIONS AS SHOWN ON THE PERMITTED CIVIL
WELDING:
DWGS.
CONFORM TO AWS D1.1 "STRUCTUUAL WELDING CODE - STEEL"
SOIL COVER FOR SUBSTRUCTURE DESIGN:
WELDERS SHALL BE CERTIFIED IN ACCORDANCE WITH WABO
REQUIREMENTS. USE E70 ELECTRODES OF TYPE REQUIRED FOR
THE SUBSTRUCTURE WAS DESIGNED FOR A TYPICAL SOIL COVER OF
MATERIALS TO BE WELDED,
0.75FT OVER THE ENTIRE VAULT.
GALVANIZING:
FOUNDATION DESIGN:
ALL STEEL SECTIONS SHALL BE HOT DIPPED GALVANIZED AFTER
FOUNDATION DESIGN IS BASED ON THE FOLLOWING VALUES PROVIDED IN
FABRICATION CONFORMING TO ASM A-125, REPAIRS SHALL CONFORM TO
THE GEOTECHNICAL REPORT BY Cobalt Geosciences 6/17/2019
ASTM A-780 USING ZINC RICH PAINT. THE COATING THICKNESS FOR
THE PAINT MUST BE 50% MORE THAN THE SURROUNDING COATING
ALLOWABLE BEARING PRESSURE: 3000 PSF DENSE NATIVE SOILS
THICKNESS, BUT NOT GREATER THAN 4.0 MILS.
3000 PSF USED IN THE DESIGN
LATERAL EARTH PRESSURES ON DETENTION VAULT: DRAINED LEVEL BACKFILL
AT REST CONDITION: 50 PCF EFW
REINFORCING BAR
ACTIVE CONDITION: 35 PCF EFW
MATERIAL REQUIREMENT:
SEISMIC PRESSURE COMPONENT: E = 14H PSF UNIFORM
REINFORCING BARS:
SATURATED SOIL DENSITY: 125 PCF
USE DEFORMED BARS CONFORMING TO ASTM A615, GRADE 60, EXCEPT
AS NOTED ON THE DRAWINGS.
DEFERRED SUBMITTALS
FABRICATION AND PLACING REQUIREMENTS:
BENDING:
THE FOLLOWING AREAS OF WORK SHALL BE CONSIDERED AS
BARS SHALL BE BENT COLD. BARS PARTIALLY EMBEDDED IN
"DEFERRED SUBMITTALS" AS DEFINED IN THE 2(2018IBC
CONCRETE SHALL NOT BE FIELD BENT UNLESS NOTED OR SHOWN
OTHERWISE OR AUTHORIZED BY THE ENGINEER.
a. PRECAST PRESTRESSED HOLLOW CORE PLANK
PLACING:
ALL DEFERRED SUBMITTALS SHALL BEAR THE STAMP AND SIGNATURE
REINFORCEMENT SHALL BE SUPPORTED AND TIED TO PREVENT
OF A CIVIL ENGINEER LICENSED TO PRACTICE IN THE STATE OF
DISPLACEMENT BY CONSTRUCTION LOADS OR BY PLACING OF CONCRETE.
WASHINGTON WHO HAS CURRENT DESIGN EXPERIENCE IN THE TYPE OF
CONCRETE COVER:
WORK REVIEWED.
MINIMUM CONCRETE COVER FOR REINF. SHALL BE AS FOLLOWS, UNLESS
THE DEFERRED SUBMITTAL ITEMS SHALL NOT BE INSTALLED UNTIL
NOTED OTHERWISE:
THEIR DESIGN AND SUBMITTAL DOCUMENTS HAVE BEEN REVIEWED BY
CONCRETE CAST AGAINST EARTH 311
THE ENGINEER OF RECORD,
CONCRETE CAST AGAINST FORMS AND
CONTRACTOR SHALL SUBMIT REVIEWED DWGS & CALCS TO THE
EXPOSED TO EARTH 211
BUILDING OFFICIAL PRIOR TO INSTALLATION,
WET SETTINGS:
CONCRETE
REINFORCEMENT ANCHOR BOLTS, OR ANY EMBEDDED ITEM WITHIN THE
CONCRETE, MAY NOT BE SET INTO THE CONCRETE AFTER IT HAS BEEN
CONCRETE REQUIREMENTS:
POURED WITHIN THE FORMS.
LOCATION STRENGTH MAX W/C RATIO
LAP SPLICES:
WALLS & LID 3000psi 28 DAYS 0.50
LAP ALL BARS 24" MIN UNLESS SHOWN OTHERWISE ON THESE DRAWINGS,
FTGS & GRADE SLAB 3000psi 56 DAYS 0.53
AIR CONTENT:
GONG. EXPOSED TO WEATHER SHALL CONTAIN 5% +/-1% ENTRAINED AIR.
MIX DESIGN:
SHALL BE BASED ON FIELD EXPERIENCE OR TRIAL MIXTURES IN
CONFORMANCE WITH THE SPECIFICATIONS, SUBMIT MIX DESIGNS TO
THE ENGINEER FOR REVIEW PRIOR TO PLACEMENT.
EXPOSURE CATEGORIES:
FREEZING THAWING FO
SULFATE SO
IN CONTACT w/ WATER W1
CORROSION PROTECTION C1
MATERIAL REQUIREMENTS:
CEMENT: ASTM C150. ADMIXTURES: ACI 301.
AGGREGATES: ASTM C33. WATER: ASTM C94.
PLACING REQUIREMENTS:
PLACING:
PLACE CONCRETE AS NEARLY AS PRACTICABLE TO ITS FINAL
POSITION TO AVOID SEGREGATION.
DEBRIS:
REMOVE ALL DEBRIS FROM FORMS PRIOR TO PLACING CONCRETE,
CONSOLIDATION:
CONSOLIDATE CONCRETE BY SUITABLE MEANS. THOROUGHLY WORK
CONCRETE AROUND EMBEDDED ITEMS AND INTO CORNERS OF FORMS,
CURING REQUIREMENTS:
CURING:
CONCRETE SHALL BE MAINTAINED IN A MOIST CONDITION FOR A
SUITABLE PERIOD OF TIME AFTER PLACEMENT.
WEATHER CONDITIONS:
ADEQUATE PRECAUTIONS SHALL BE TAKEN DURING HOT AND COLD
WEATHER IN ACCORDANCE WITH THE SPECIFICATIONS.
LID PLANK PLACEMENT:
IN NO CASE SHALL THE LID PLANKS BE PLACED BEFORE THE WALLS
HAVE BEEN ALLOWED A MINIMUM OF 3 DAYS OF CURE. WHEN
AVERAGE AMBIENT TEMPERATURES ARE LESS THAN 50 DEGREES
FAHRENHEIT, THE CONTRACTOR MUST ALLOW A MINIMUM CURE TIME
OF 7 DAYS OR PROVIDE AN ADDITIONAL SET OF CYLINDERS TO BE
BROKEN AT THE TIME OF LID PLACEMENT DEMONSTRATING A MINIMUM
CONCRETE STRENGTH OF 1,000 PSI HAS BEEN REACHED.
FINISH:
a. CONCRETE FINISH TO BE SMOOTH WITH NO FINS, VOIDS, ROCK
POCKETS, OR OTHER IRREGULARITIES.
b. CONE SNAP TIES ARE REQUIRED AND ARE TO BE REMOVED AND
EPDXY SEALED AT ALL INTERIOR AND EXTERIOR WALL
SURFACES, NO FLAT TIES ALLOWED.
CWA_CONSULTANS
(360)-871-5433
PRESSURE RELIEF VALVE
PRESSURE RELIEF VALVES SHALL BE 411m TROY MODEL A2580
HYDROSTATIC RELIEF VALVE AND WALL THIMBLE WITH REMOVABLE
GRATE.
CONTRACTOR MAY SUBMIT ALTERNATE VALVE TYPES FOR
CONSIDERATION, SUBMIT ALL DOCUMENTS RELATED TO THE ALTERNATE,
INCLUDING INSTALLATION DETAILS TO THE ENGINEER FOR REVIEW.
VALVES SHALL BE SHOWN TO OPEN AT A PRESSURE DIFFERENTIAL
NOT EXCEEDING 911 OF WATER HEAD, ALTERNATE VALVES SHALL BE
FULLY SERVICABLE TO MAINTAIN PROPER OPERATION OVER THE LIFE
OF THE STRUCTURE.
03/31 /2025
REVISED PER AGENCY COMMENTS
NO. I REVISION
GALV. STEEL GRATES r-8" CURB WALL
m� TOP OF WALL FLUSH
W/FINISH PAVEMENT
V
2' MIN
SLAB BEAM @ OPENING COVER
a VAULT LID NO COVER REQUIRED
WHERE VAULT LID HAS
VAULT WALL BEEN DESIGNED FOR
DIRECT APPLICATION OF
HS25 WHEEL LOADING
HSS 3" x 3" x 1/8"
REMOVABLE STEEL FRAME
@ PERIMETER OF HINGED
GRATE SECTION
3/8"0 x 3" TITEN SS
2 1/2" SCREW ANCHOR
L. 3 1/8" � LEDGER ANGLE
2" x 2" x 3/16"
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1 1/4" GRINDSMOOTH
SADDLE SEAT ANGLE 1/8/TYP
2" x 2-1/2" x 3/16"
A REMOVABLE FRAME REST
NTS
SURVEYED:
DESIGNED:
DRAWN:
CWA /23/251 CWA CHECKED:
BY I DATE I APPR APPROVED:
SCALE:
SCALE
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
10,
36"f 36"f
GRATE SEC. GRATE SEC.
x
8" CURB WALL
GALV. STEEL GRATE
TOP OF WALL FLUSH
W/FINISH PAVEMENT LEDGER PER C/S2
T__�(2) #5 CONTINUOUS
e VERT BARS TO MATCH
WALL REINFORCEMENT
EXTEND CURB VERT. REBAR INTO
VAULT LID LID STRUCTURE TYP.
a a
VAULT WALL
48"f
GRATE SEC.
\\\ C/S2
GALVANIZED STEEL
GRATING\ -19-4 W/
1-1/4" x 3/16" BRG BARS
En
00
PROVIDE 36" x 36" HINGED SECTION GALVANIZED STEEL ANGLE SEAT
OF GRATING @ ACCESS LADDER 2" x 2" x 3/16"
COPE HORZ. LEG @ LADDER
(7�TYPICAL WALL TIE
3/4" = V-0"
T&B
HSS 3"x3"x1/8"-� 3/16
EA. SIDE
1/8
CBREMOVABLE FRAME
CROSS BRACE NTS
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATUM
AOM%k
CITY OF
RENTON
Planning/Building/Public Works Dept.
1-1/4" DEEP STEEL
BAR GRATING
—8" CONIC WALL
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LEDGER ANGLE a $ °
4 �
2" x 2" x 3/16"
a
3/8" x 3" TITEN SS ° q
SCREW ANCHOR
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ANGLE SUPPORT TO CC
WALL ATTACH M ENT NTS
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IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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SUN RIDGE_TOWNHOMES_II
STRUCTURAL -DETAILS
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