ATTACHMENT 1.2 Soils and Structures drawings dated April 6, 2023.pdf
PDF 115 KB Posted
- Solicitation number
- 1305M323RNRMA0030
About this file
This document package includes soils and structures drawings and notes for a federal contract opportunity to replace the concrete floor slab at the Great Lakes Environmental Research Laboratory Lake Michigan Field Station Building 3. The solicitation is number 1305M323RNRMA0030 from the Department of Commerce National Oceanic and Atmospheric Administration. The drawings provide details for demolishing the existing slab and installing a new 6-inch thick concrete slab with welded wire fabric reinforcement and isolation joints at columns. Notes specify concrete mix design, reinforcement, and compaction requirements.
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±63'-7" (F.V.)
'-6
(F
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±61'-0" (F.V.)
'-2
(F
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NEW 6" CONC. SLAB-ON-GRADE REINF. W/
6X6W2.9XW2.9 WELDED WIRE FABRIC
PLACED 2" FROM TOP OF SLAB.
PROVIDE 10 MIL VAPOR BARRIER OVER MIN.
12" OF COMPACTED MDOT CLASS II
GRANULAR FILL OR MDOT 6AA AGGREGATE
FILL, COMPACTED PER CONCRETE NOTE #9.
SAWCUT FLOOR PER DET.
1/S101 @ MAX. 15'-3" O.C.
PROVIDE CONSTRUCTION
JOINTS AS REQUIRED PER
DET. 1/S101 TYP.
PROVIDE COLUMN
ISOLATION JOINTS PER
DETS. 2 & 3/S101
NORTH SCALE: 3/16" = 1'-0"
FOUNDATION PLAN
SLAB DEMO PLAN
NORTH SCALE: 1/8" = 1'-0"
EXIST. PRE-ENGINEERED METAL
BUILDING FRAMING AND
PERIMETER CONC. FOUNDATION
WALLS TO REMAIN
SAWCUT AND REMOVE EXISTING
CONCRETE FLOOR SLAB-ON-GRADE.
EXCAVATE AS REQUIRED, COMPACT
EXIST. SUBGRADE, TO 95% OF ITS MAX.
DENSITY AND ADD COMPACTED FILL
PRIOR TO PLACEMENT OF NEW SLAB.
EXIST. COLUMN CONC. PIERS
AND FOOTINGS TO REMAIN
NOTE: PRIOR TO CUTTING EXIST. SLAB AT PERIMETER OF
BUILDING, VERIFY IF PIERS ARE TIED INTO EXIST. FLOOR
SLAB W/ HAIRPINS. IF SO, DEMO SHALL IMMEDIATELY
CEASE AND SOILS & STRUCTURES SHALL BE NOTIFIED.
TYP ISOLATION JOINT
TYP CONTROL JOINT
TYP CONSTRUCTION JOINT
2" PREMOLDED JOINT FILLER
MIN. 12" COMPACTED
AGGREGATE OR GRANULAR FILL
" SAWCUT MIN.
" SLAB DEPTH
SAWCUT WITHIN 8 HRS OF POURING
NOTE: CONTROL JOINTS TO BE
SPACED AT MAX. 15'-3" O.C.
EDGE EACH SIDE W/
" RADIUS
4"Ø X 2'-0" Ø SMOOTH DOWELS @ 12"
O.C. CENTERED IN SLAB. EXTEND 12"
INTO SLAB AND GREASE ONE END
SCALE: 3/4" = 1'-0"S101
1 CONC. FLOOR JOINTS
10 MIL VAPOR
BARRIER
10 MIL VAPOR
BARRIER
10 MIL VAPOR
BARRIER
EDGE EACH SIDE W/ 18" RADIUS
C L R
C
L R
C
L R
MIN. 12" COMPACTED
AGGREGATE OR GRANULAR FILL
MIN. 12" COMPACTED
AGGREGATE OR GRANULAR FILL
CJCJ
C J
C J
2" EXPANSION
JOINT MATERIAL,
SEE 1/S101
EXISTING BLDG.
COLUMN
CL
CL
SCALE: 3/4" = 1'-0"
INTERIOR COLUMN ISOLATION JOINTS3
S101
2" EXPANSION JOINT
MATERIAL, SEE 1/S101
EXISTING BLDG.
COLUMN
EDGE OF
FLOOR SLAB
CL
CL
SCALE: 3/4" = 1'-0"
PERIMETER COLUMN ISOLATION JOINTS2
S101
C J
SCALE: 1/2" = 1'-0"S101
4 TYP. TRENCH DETAIL
8" MIN 8" MIN
6" MIN
2" CLR
#4 @ 18" O.C.
(3) #4 CONT.
TRENCH DRAIN
BY OTHERS
CONC. FLOOR
SLAB (SEE PLAN)
F.F.
100'-0"
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SHEET NO.
S101
GENERAL NOTES
1. ALL APPLICABLE LOCAL, STATE AND FEDERAL RULES, REGULATIONS, ORDINANCES AND
CODES SHALL APPLY THROUGHOUT THE PROJECT.
2. VERIFY ALL APPLICABLE EXISTING DIMENSIONS, ELEVATIONS, AND CONDITIONS PRIOR TO
FABRICATION AND CONSTRUCTION
3. IF THE EXISTING CONDITIONS DIFFER FROM WHAT IS SHOWN ON THE DESIGN DRAWINGS,
NOTIFY SOILS AND STRUCTURES IMMEDIATELY SO THAT THE DESIGN MAY BE PROPERLY
MODIFIED.
4. ALL SPECIAL INSPECTIONS AND STRUCTURAL TESTS SHALL BE PERFORMED IN
ACCORDANCE WITH CHAPTER 17 OF THE 2015 MICHIGAN BUILDING CODE.
5. DO NOT SCALE DRAWINGS.
6. ALL INDICATED STRUCTURAL ELEVATIONS ARE BASED ON A FINISHED FLOOR TOP
SURFACE ELEVATION OF 100'-0".
7. REPRODUCTIONS OF CONTRACT STRUCTURAL DRAWINGS SHALL NOT BE USED FOR
SHOP DRAWINGS. ELECTRONIC FILES ARE NOT AVAILABLE FOR USE BY
SUBCONTRACTORS
8. NO OPENINGS SHALL PENETRATE STRUCTURAL ELEMENTS WITHOUT THE ENGINEER OF
RECORD'S APPROVAL.
9. THE CONTRACTOR IS RESPONSIBLE FOR ADEQUATELY SHORING, UNDERPINNING, SHEET
PILING, ETC. AGAINST EXISTING STRUCTURES AS REQUIRED SO THEY ARE NOT DAMAGED
DURING CONSTRUCTION. THIS SHALL ALSO INCLUDE ANY CONSTRUCTION LOADS.
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CONCRETE
REINFORCING STEEL
LAP SPLICES
SIZE TOP BARS OTHER BARS
#3 24" 21"
#4 33" 27"
#5 42" 33"
#6 51" 39"
#7 72" 54"
#8 81" 63"
#9 93" 72"
#10 102" 81"
#11 114" 87"
CONCRETE NOTES
1. ALL CONCRETE HAS BEEN DESIGNED AND SHALL BE BUILT IN ACCORDANCE WITH THE
LATEST EDITION OF ACI 318
2. ALL CONCRETE TO HAVE A 28-DAY COMPRESSIVE STRENGTH OF 4000 PSI.
3. THE USE OF CHLORIDE ACCELERATORS IN ANY CONCRETE MIX DESIGN IS NOT PERMITTED.
4. CONCRETE EXPOSED TO FREEZE THAW CYCLES OR DEICING CHEMICALS SHALL BE AIR
ENTRAINED WITH AIR CONTENT PER ACI TABLE 4.2.1
5. ALL REINFORCING STEEL BARS TO BE ASTM A615 GRADE 60 DEFORMED AND ALL
DEFORMED WELDED WIRE FABRIC TO BE ASTM A185. ALL REINFORCING TO BE PLACED IN
ACCORDANCE WITH THE LATEST EDITION OF ACI 318 AND CRSI SPECIFICATIONS.
6. CONCRETE COVER FOR REINFORCING (UNLESS NOTED OTHERWISE):
A. CAST AGAINST AND PERMANENTLY EXPOSED TO EARTH = 3"
B. EXPOSED TO EARTH OR WEATHER:
#6 THRU #18 BARS = 2"
#5 BARS AND 5/8" WIRE AND SMALLER = 1-1/2"
C. NOT EXPOSED TO EARTH OR WEATHER:
1. SLABS, WALLS AND JOISTS
#14 AND #18 BARS = 1-1/2"
#11 AND SMALLER BARS = 3/4"
2. BEAMS, GIRDERS AND COLUMNS:
PRINCIPAL REINFORCEMENT, TIES, STIRRUPS AND SPIRALS = 1-1/2"
7. MINIMUM CLEAR SPACE BETWEEN PARALLEL BARS IN A LAYER INCLUDING SPLICE BARS,
SHALL NOT BE LESS THAN:
A. FOR COLUMNS & PEDESTALS:
1. THE DIAMETER OF THE BAR TIMES 1.5
2. 1-1/2"
3. 1.33 TIMES THE MAXIMUM AGGREGATE SIZE.
B. FOR ALL OTHER BARS:
1. THE DIAMETER OF THE BAR
2. 1"
3. 1.33 TIMES THE MAXIMUM AGGREGATE SIZE.
8. ALL NEW CONCRETE SHALL BE CURED IMMEDIATELY AFTER FINISHING OF REMOVING
FORMWORK. CURING SHALL BE EITHER A MOIST CURE METHOD OF THE USE OF A CURING
COMPOUND.
9. ALL FILL REQUIRED SHALL BE COMPACTED AND TESTED TO A MINIMUM OF 95% OF ITS
MAXIMUM DENSITY AS DETERMINED BY ASTM D1557.
10. THE WELDING OF REINFORCING STEEL BARS IS NOT PERMITTED, INCLUDING BUT NOT
LIMITED TO TACK WELDS, BUTT WELDS, GROOVE WELDS, ETC.
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