HomeMy WebLinkAboutB14-0264_XBS-2_1408655100.pdf1'-0"
8"
8"
18'-103
4" 10"
35'-3"
26'-2"
17'-0"
16'-1112"
4'-414"
20'-9"
8'-3"
1'-7"
8"
Wall to Demo
9'-7" V.I.F.
8'-9"
15'-0" +/-4'-0"
11'-0"
17'-2"
71'-8"
16'-11"
58'-112"
9'-10" 15'-0" 29'-8"
13'-812" 9'-6"
18'-0" 12'-712"
3'-0" 26'-3"
7'-012"
7'-95
8"
17'-5"
STAIR
8184
8186
8188
8190
8192
8196
8198
8200
8202
8204
8206
8208
8194
8196
8200
8198
8202
8204
8182
8180
8178
8176
8174
8172
T.O.F. = 76'-0"
T.O.F. = 75'-0"
3
3
A
A
5
B C D E
4
3
2
1
6
8194
8192
8190
8188
8186
8182
8184
8186
SEE DWG XBS-3 AND XBS-4 FOR DEVELOPED
ELEVATION VIEW OF EARTH RETENTION
4
2
A
SN
14
SN
13
SN
10
SN
12
SN
11
SN
9
SN
8
SN
7
SN
6
SN
5
SN
4
SN
3
SN
2
SN
1
SN
15
SN
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SN
17
SN
18
SN
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SN
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SN
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SN
22
SN
23
SN
25
SN
26
1
2 3 4 5 6 7 1'-3" Minimum Clearance
For Drill Rig From
Face of Wall
1'-3" Minimum Clearance
For Drill Rig From
Face of Wall
1'-6" Anticipated
Offset
T.B.D.
TIEBACK IDENTIFICATION
PROPOSED FOUNDATION WALL
EXISTING GRADE
1
LEGEND
PROPOSED EXCAVATION GRADE
5196
TEL: 303-791-9911 FAX: 303-791-0967
9512 TITAN PARK CIRCLE
LITTLETON, COLORADO 80125
SHT. 2 OF 4
XBS-2
DWG. NO.
DWN BY: JVW
NOT VALID WITHOUT DATE
& ORIGINAL SIGNATURE
GRID LINE
8
SOIL NAIL IDENTIFICATION SN
1
JOB NO. : 5501
WEBSTER RESIDENCE
ISSUED: 06-26-2014
4th FLOOR PLAN VIEW
SCALE: 1/8" = 1'-0"
PLAN NORTH
NEDBO CONSTRUCTION
PO BOX 3419
VAIL, CO 81659
970-845-1001
1. DESIGN BASIS
A. 2012 INTERNATIONAL BUILDING CODE
2. REFERENCE CODES:
A. AISC-ASD STEEL MANUAL, 14TH EDITION
B. ACI 318-11 "BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE"
C. PUBLICATION NO. FHWA-SA-97-070 "MICROPILE DESIGN AND CONSTRUCTION GUIDELINES."
3. FOUNDATION:
A. A GEOTECHNICAL ENGINEERING REPORT WAS NOT PROVIDED TO COGGINS & SONS, INC. COGGINS SELECTED
GEOTECHNICAL PARAMETERS BASED ON OTHER PROJECTS COMPLETED IN THE IMMEDIATE VICINITY.
4. MATERIALS:
A. BARS:
BARS TO BE GRADE 75 OR GRADE 150 OF SIZE INDICATED ON MICROPILE PLANS. REINFORCEMENT BARS SHALL
MEET ASTM A 615/AASHTO M31 (GR. 75) OR ASTM A 722/AASHTO M275 (GR. 150) SPECIFICATIONS. MINIMUM
THICKNESS OF EPOXY COATING SHALL BE 0.010 INCH. EPOXY COATING SHALL BE IN ACCORDANCE WITH ASTM
A775 OR ASTM A934. CENTRALIZERS SHALL BE PROVIDED FOR ALL MICROPILES AS INDICATED PER PLAN.
CENTRALIZERS SHALL BE FABRICATED FROM SCHEDULE 40 PVC PIPE.
B. GROUT:
PRESSURE INJECTED GROUT SHALL BE PORTLAND CEMENT TYPE I OR TYPE II, MEETING ASTM C150
SPECIFICATIONS AND POTABLE WATER. THE MAXIMUM WATER/CEMENT RATIO SHALL BE 0.45. THE MINIMUM 28
DAY COMPRESSIVE STRENGTH OF THE GROUT SHALL BE 4,000 PSI. GROUT MAY CONTAIN SIKA CO.
INTERPLAST-N SHRINKAGE COMPENSATING CEMENT IN THE MAXIMUM AMOUNT OF 1% BY WEIGHT OF CEMENT.
DURING PRODUCTION, GROUT SHALL BE TESTED FOR COMPRESSIVE STRENGTH IN ACCORDANCE WITH ASTM
C109 AT A FREQUENCY OF NO LESS THAN THREE SETS OF THREE CUBES FROM EACH GROUT PLANT EACH DAY
OF OPERATION. (ONE SET = THREE GROUT CUBES) FREQUENCY OF TESTING TO BE REVIEWED AFTER FIRST
WEEK OF PRODUCTION. THE COMPRESSIVE STRENGTH SHALL BE THE AVERAGE OF THE 3 CUBES TESTED PER
ONE SET. GROUT SAMPLES SHALL BE TAKEN DIRECTLY FROM THE GROUT PLANT. PROVIDE GROUT CUBE
COMPRESSIVE STRENGTH RESULT TO THE COGGINS ENGINEER WITHIN 24 HOURS OF TESTING. BREAKS TO
OCCUR AT 7 AND 28 DAYS WITH ONE SET TO BE HELD FOR FUTURE TESTING, IF NECESSARY.
C. PIPE:
CASING SHALL BE OF DIAMETER AND WALL THICKNESS INDICATED ON MICROPILE SCHEDULE. PIPE SHALL
CONFORM TO EITHER ASM A53 GRADE B DESIGNATION (MINIMUM YEILD STRESS OF 36 KSI) OR API N-80
SPECIFICATIONS (MINIMUM YIELD STRESS OF 80 KSI). API PIPE SHALL BE FREE FROM DEFECTS AND
DOCUMENTATION OF MINIMUM STRENGTH SHALL BE PROVIDED TO COGGINS ENGINEER. SPLICING OF PIPE IS
NOT PERMITTED.
D. PLATES AND SHAPES:
STRUCTURAL SHAPES SHALL CONFORM TO ASTM A36/AASHTO M183 OR ASTM A572/AASHTO M223, GRADE 36.
5. ALL DIMENSIONS ON DRAWINGS SHALL BE VERIFIED BY GENERAL CONTRACTOR PRIOR TO BEGINNING OF WORK.
6. PROCEDURE:
A. ALL UTILITIES WITH EQUIPMENT OR FACILITIES SERVING AN AREA WITHIN 300 FEET OF THE PLANNED
CONSTRUCTION SHALL BE NOTIFIED PRIOR TO MICROPILE INSTALLATION THAT SUCH WORK IS TO TAKE PLACE.
GENERAL CONTRACTOR IS RESPONSIBLE FOR COORDINATING INSTALLATION OF MICROPILES WITH UTILITIES.
B. ADVANCE DRILL BIT FULL MICROPILE LENGTH UTILIZING ROTARY PERCUSSION DRILLING TECHNIQUES. PLACE
GROUT FULL LENGTH OF MICROPILE AND THE QUALITY OF GROUT SHALL BE MONITORED BY COLLECTING
CUBES FOR LATER COMPRESSION TESTING (SEE MATERIALS-GROUT FOR PROCEDURE). UPON COMPLETION OF
GROUTING, INSERTY PIPE INTO DRILLED HOLE WITH GROUT. ADJUST TOP OF PIPE AND BAR TO PROPER
ELEVATION. INSTALL BEARING PLATE AND HARDWARE.
C. MICROPILE INSTALLATION SHALL BE MONITORED AND RECORDED. MONITORED AND RECORDED DATA SHALL
INCLUDE TOTAL DEPTH, GROUT PRESSURE, GROUT QUANTITIES, SOIL/ROCK ENCOUNTERED DURING
INSTALLATION, AND ANY OBSTRUCTION OR IRREGULARITIES.
7. ENGINEER'S APPROVAL MUST BE SECURED FOR ALL SUBSTITUTIONS.
MICROPILE GENERAL NOTES
8200
08/21/14