TEMPORARY WIREWALL MSE RETAINING WALLS SAMPLE DETAIL DRAWINGS INDEX DESCRIPTION 1 TITLE 2 GENERAL NOTES 3-4 TEMPORARY WIREWALL DETAILS 5-6 TRI-WEB TEMPORARY WALL DETAILS 7 TYPICAL TEMPORARY WIREWALL 8 OBSTRUCTION DETAILS AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE DATE MARK DESCRIPTION 8/29/12 1 REVIEWER REQUEST 9/9/13 2 ADDED FASTEN GEOSYNTHETIC STRIPS TITLE 1of 8
GENERAL NOTES: THE MSE WALL IS BASED ON AASHTO LRFD BRIDGE SPECIFICATIONS, F.D.O.T. STRUCTURES GUIDELINES AND THE CONTRACT SPECIAL PROVISION. GLOBAL STABILITY OF THE MSE WALL IS THE RESPONSIBILITY THE MSE WALL IS BASED ON THE FOLLOWING PARAMETERS: EXTERNAL STABILITY BEARING CDR 1.0 CDR 1.0 INTERNAL STABILITY CDR 1.0 STRENGTH CDR 1.0 LIFE = 3 YEARS LIVE LOAD SURCHARGE = 2 FT SELECT BACKFILL WITH THE FOLLOWING PROPERTIES SAND UNIT WEIGHT = 105 pcf INTERNAL FRICTION ANGLE = 30 LIMEROCK UNIT WEIGHT = 115 pcf INTERNAL FRICTION ANGLE = 34 WALL CONSTRUCTION: MSE WALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH F.D.O.T. SPECIFICATION SECTION 548 - "RETAINING WALL SYSTEMS" IN ADDITION, THE FOLLOWING SHALL APPLY: IF EXISTING OR FUTURE DRAINAGE STRUCTURES, DRAINAGE PIPES, FOUNDATIONS OR GUARD POSTS, WHICH ARE WITHIN THE REINFORCED SOIL VOLUME, INTERFERE WITH THE NORMAL PLACEMENT OF SOIL REINFORCING MATS AND SPECIFIC DIRECTION HAS NOT BEEN PROVIDED ON THE PLANS, THE CONTRACTOR SHALL NOTIFY T.E.G., INC. TO DETERMINE WHAT COURSE OF ACTION SHOULD BE TAKEN. CONCRETE SHAFTS OR FOUNDATION PILES WITHIN THE REINFORCED MASS OR IN THE NEAR VICINITY SHOULD BE PLACED PRIOR TO CONSTRUCTION OF THE MSE RETAINING WALL. INSTALLATION OF SOIL REINFORCING MATS SHALL BE PERMITTED ONLY AFTER PLACEMENT AND COMPACTION OF THE BACKFILL MATERIAL HAS REACHED THE REQUIRED LEVEL. PROJECT SUMMARY: LEGEND: Hd = HEIGHT OF WALL PER CONTRACT SPECIFICATIONS OR DETAILS. B = LENGTH OF SOIL REINFORCING MATS FOR CORRESPONDING HEIGHT. F.P. = MAXIMUM BEARING PRESSURE IMPOSED ON FOUNDATION BY MSE MASS FOR ATED LENGTH OF WALL. AASHTO LRFD BRIDGE SPECIFICATIONS (11.10.6.3.2-2) FOR STEEL WIRE GRIDS, t= TRANS. WIRE DIAMETER, AND st= TRANS. WIRE SPACING: IF DEPTH (Z OR Z ) 20, F* = 10(t/st); P IF DEPTH (Z OR Z ) 20, F* = (20-Z/2)(t/st) P AND a= 1.0 FOR GEOSYNTHETIC STRIPS F* = 0.67 TAN(F) OF SELECT REINFORCED FILL a= 0.85 THE MAXIMUM APPLIED BEARING PRESSURE BY THE MSE WALL MASS WILL BE DETERMINED FOR EACH CASE. THE DRAWINGS CONTAINED HEREIN ARE BASED ON THE CONTRACT REQUIREMENTS FOR MATERIALS AND METHODS AS INDICATED IN THE CONTRACT SPECIAL PROVISION FOR MECHANICALLY STABILIZED EARTH WALL SYSTEMS. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO PROVIDE SUCH MATERIALS AND METHODS IN ACCORDANCE WITH THE CONTRACT SPECIAL PROVISIONS, OR THE REQUIREMENTS CONTAINED IN THESE DRAWINGS, WHICHEVER IS MORE STRINGENT. WIRE S & SOIL REINFORCING MATS: WIRE S AND STANDARD SOIL REINFORCING MATS SHALL BE WELDED WIRE MESH CONFORMING TO AASHTO M 32M/M 32 (ASTM A82), FABRICATED IN ACCORDANCE WITH AASHTO M 55M/M 55 (ASTM A185). PROJECT NOTES: FOR LOCATION AND ALIGNMENT OF MSE WALLS REFER TO CONTRACT DOCUMENTS. HORIZONTAL AND VERTICAL LAYOUT OF MSE WALLS SHALL BE AS DETAILED IN THE CONTRACT PLANS. IF ANY OF THE DETAILS OR SPECIFICATIONS CONTAINED IN THESE DOCUMENTS VARY FROM THE PROJECT SPECIFICATIONS, THE MOST STRINGENT SHALL APPLY. TRIWEB GEOSYNTHETIC STRIPS SHALL BE HIGH TENACITY POLYESTER FIBERS CO-EXTRUDED WITH POLYETHYLENE, STRENGTH TESTED PER ASTM D6637 WITH MATERIAL PROPERTIES PER GRI-GG7 (ASTM D4603) AND GRI-GG8. STATIONS AND OFFSETS ARE BASED ON CONTRACT DRAWINGS. ALL DIMENSIONS ARE ALONG FRONT FACE OF WIRE WALL. LIST OF ABBREVIATIONS: MSE MECHANICALLY STABILIZED EARTH LEV LEVELING FF FRONT FACE BF BACK FACE CIP CAST-IN-PLACE FS FAR SIDE NS NEAR SIDE ES EACH SIDE EA EACH SOIL REINFORCING MAT ATION LEGEND LENGTH OF SOIL MAT IN FEET MAT WIDTH SOIL MAT TYPE 10" CRIMPED END CB xy" SPACING OF SOIL MAT TRANSVERSE WIRE IN INCHES TRANS. WIRE LONG. WIRE MSE CONSTRUCTION NOTES 1. DEPRESS TOP LAYER OR CAP MAT TO PROVIDE A MINIMUM OF 6" OF COVER MSE BACK FILL. 2. FABRIC COVER THE ENTIRE SURFACE OF THE WIRE WALL. 3. NO LEVELING PAD IS REQUIRED UNDER THE MSE WIRE FACE MATERIAL. "Y" B MAT LENGTH AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE GENERAL NOTES 2 of 8
FINISHED GRADE H = HEIGHT FROM BOTTOM OF WALL TO TOP OF ROADWAY SEE "CONNECTION DETAIL" FABRIC 2-0" FINISHED GRADE AT FACE OF WALL BACKFILL, SELECT SEE "LOCKING DETAIL" LOCKING ROD STD. SOIL MAT LONGITUDINAL EXTENSIONS FROM BELOW MUST BE PLACED BEHIND THE TRANSVERSE BAR AT THE ABOVE FACE PIECE BEND. THIS IS REQUIRED. TRANSVERSE BAR TO BE WITHIN 2" MIN. OF BEND 2 3" WIRE EXT. 6" STANDARD 8-0" WIDE - (25) @ O.C. STANDARD 2 2 SOIL MAT 8" LONG. SPACING 3" WIRE EXTENTIONS FRONT ELEVATION VIEW 2 NOM. TRANSVERSE SPACING VARIES PER CASE 2 SOIL MAT TRANSVERSE WIRE (W4.5 @ 6" O.C.) LONG. WIRE (W4.5 @ O.C.) 12" L = STD. SOIL MAT (TYP) 12" 12" B = TOTAL LENGTH OF AND SOIL MAT CONNECTION DETAIL NOM. SOIL MAT NOM. (FACTOR VARIES PER CASE) OFFSET ONLY AS REQUIRED TYPICAL SECTION THRU TEMPORARY WIRE WALL LOCKING ROD TO CONNECT TO TRANSVERSE WIRE (W4.5 @ 6" O.C.) LOCKING ROD STD. SOIL MAT 2" W12 WIRE (DIA. = 0.391") 1-0" LONG. WIRE (W4.5 @ O.C.) 12" OR 2 STD. LOCKING DETAIL 32" LOCKING ROD DETAIL 6" STANDARD 8-0" WIDE - (25) @ O.C. 8-0" ADJACENT S WILL BE BUTTED TOGETHER FOR CONSTRUCTION NOTES: 1. COMPACT BACKFILL TO PROVIDE NOT LESS THAN 95 PERCENT OF DENSITY DETERMINED IN ACCORDANCE WITH STANDARD PROCTOR (ASTM D698/AASHTO T99) OR STATE-SPECIFIC DOT REQUIREMENT, WHICHEVER IS MORE STRINGENT. STANDARD 2 2. BACKFILL MATERIAL SHALL MEET OR EXCEED PROPERTIES AS SPECIFIED IN CONTRACT DOCUMENTS. THE TEMPORARY WIRE WALL WAS ED BASED ON THE FOLLOWING ASSUMPTIONS: -SELECT BACKFILL PROPERTIES OF 120 pcf UNIT WEIGHT AND 34 PHI ANGLE. -240 psf LIVE LOAD SURCHARGE -3 YEAR MAX LIFE -12" MAXIMUM SOIL/PAVEMENT SURCHARGE 3. S ARE SUPPLIED IN 8-0" WIDTHS AND ARE INTENDED TO SPAN 8-0". 4. IF THIS STANDARD IS IN VARIANCE WITH PROJECT SPECIFICATIONS, INFORMATION CONTAINED IN PROJECT SPECIFICATIONS SHALL GOVERN. 5. STANDARD S ARE 2 HIGH. HEIGHT MAY VARY BASED ON CONTRACT REQUIREMENTS. AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE STD. TEMPORARY WIRE WALL DETAILS 3 of 8
N * LONGITUDINAL EXTENSIONS FROM BELOW MUST BE PLACED BEHIND THE FABRIC TRANSVERSE BAR AT THE ABOVE FACE PIECE BEND. THIS IS REQUIRED. * K F K L FABRIC D G E SELECT FILL FABRIC J M H A C B SOIL MAT STEPS A-G A. LAYOUT PROPER WALL ALIGNMENT AND PLACE BOTTOM. B. PLACE SOIL MATS. C. PLACE LOCKING ROD TO SECURE AND SOIL MAT TOGETHER. REMOVE ALL SLACK. SOIL MAT D. PLACE WIRE STRUTS. 2 O.C., 1 OFFSET FROM EDGE (4 REQUIRED ). E. PLACE MAX. 8" LIFT OF SELECT BACKFILL 2 MIN AWAY FROM TO HOLD ASSEMBLY IN POSITION. COMPACT SOIL TO MIN. 95% (STANDARD PROCTOR) OR STATE-SPECIFIC DOT REQUIREMENT, WHICHEVER IS MORE STRINGENT. F. USING SUPPLIED HOGRINGS, PLACE AND SECURE FABRIC BEHIND FACING PIECE. FABRIC IS TO COMPLETELY COVER BACK SIDE OF AND OVERLAP MINIMUM 6" AT BOTTOM. G. PLACE REMAINING 8" LIFT OF SELECT BACKFILL MATERIAL, COMPACT USING HAND EQUIPMENT. TAKE CARE TO PREVENT FROM LEANING OUT. STEPS H-M H. CONTINUE PLACING FILL IN 8" LIFTS UNTIL NEXT MAT ROW IS REACHED. J. BRING FRONT OF BELOW TO VERTICAL POSITION. K. ATTACH NEXT. PLACE LONGITUDINAL EXTENSIONS FROM BELOW BEHIND THE TRANSVERSE BAR AT THE ABOVE BEND. THIS IS REQUIRED. L. ATTACH SOIL MATS, LOCKING RODS, AND WIRE STRUTS. M. FILL VOID THROUGH AND SOIL MAT, IF NECESSARY. SOIL MAT STEP N CONSTRUCTION SEQUENCE N. REPEAT PROCEDURES IDENTIFIED IN STEPS H THROUGH M UNTIL FINISH GRADE IS ACHEIVED. 16" OVERLAP MATS AT ANGLES SPREAD MATS FOR CONVEX RADIUS OVERLAP MATS FOR CONCAVE RADIUS USE 1" DIA PIN TO BEND W4.5 WIRE STRUT DETAIL 1. STRUTS ARE A WALL COMPONENT. ANGLE, IF APPLICABLE RADIUS PORTION, IF APPLICABLE FRONT FACE OF TEMP WALL 2. FOUR (4) W4.5 STRUTS ARE REQUIRED AT EACH. 3. 16" STRUT SHALL ENGAGE TRANSVERSE BARS AS SHOWN TEMP WALL LAYOUT AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE STD. TEMPORARY WIRE WALL DETAILS 4 of 8
FINISHED GRADE 1-0" " DIA. STRIP BAR 1-0"L (MIN) 3" " DIA. J-HOOK " DIA. J-HOOK 2 3" WIRE EXT. 6" 3" WIRE EXTENTIONS TRANSVERSE WIRE (W4.5 @ 6" O.C.) LONG. WIRE (W4.5 @ O.C.) H = HEIGHT FROM BOTTOM OF WALL TO TOP OF BACKFILL SEE " CONNECTION DETAIL" FABRIC 2 SELECT BACKFILL J-HOOK J-HOOK 1#2" DIA. SIDE VIEW " DIA. S STRIP BAR SIDE VIEW STRIP DETAIL LONGITUDINAL EXTENSIONS FROM BELOW MUST BE PLACED BEHIND THE TRANSVERSE BAR AT THE ABOVE FACE PIECE BEND. THIS IS REQUIRED. STANDARD 8-0" WIDE - (25) @ O.C. STANDARD 2 FRONT ELEVATION VIEW BAR AND J-HOOK ANCHOR. (LOCATED AT MIDPOINT OF CONNECTION) USE J-HOOKS AS NECESSARY TO SECURE BOTTOM TO ALLOW TIGHTENING OF S. TRANSVERSE BAR TO BE WITHIN 2" MIN. OF BEND B = TOTAL LENGTH OF AND (FACTOR VARIES PER CASE) SEE DOUBLE SPLICE DETAIL TYPICAL SECTION THRU TEMPORARY WIRE WALL CONNECTION DETAIL 3-0" MIN. OVERLAP (TYP) #3 REBAR STRIP BAR STEEL S-CLAMP 6-0" MIN. SELF TRANSVERSE WIRE (W4.5) CONNECTION DETAIL MIN. OVERLAP (TYP) 3-0" OVERLAP AT LAST STRIP, (2) STEEL S-CLAMPS REQUIRED 1-0" 2" 6" #3 REBAR, 7-0" LONG STANDARD 8-0" WIDE - (25) W4.5 WIRES @ O.C. LONGITUDINAL WIRE (W4.5) 8-0" ADJACENT S SHALL BE BUTT TOGETHER. DOUBLE SPLICE DETAIL STANDARD 2 AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE TRI-WEB TEMP WALL DETAILS 5 of 8
LONGITUDINAL EXTENSIONS FABRIC F * LONGITUDINAL EXTENSIONS FROM BELOW MUST BE PLACED BEHIND THE TRANSVERSE BAR AT THE ABOVE FACE PIECE BEND. THIS IS REQUIRED. * TRI-WEB 12" OR 2 STD. D G E SELECT FILL FABRIC K J M L 12" OR 2 A C B STD. H STEPS A-G WRAP AROUND PANEL ANCHOR AT FRONT OF TRI-WEB 12" OR 2 STD. A. LAYOUT PROPER WALL ALIGNMENT AND PLACE BOTTOM. B. PLACE S BY WRAPPING THROUGH PANEL ANCHOR AT FRONT OF. C. REMOVE ALL SLACK FROM STRIP AND SECURE WITH STRIP ANCHOR BAR. D. PLACE WIRE STRUTS. 2 O.C., 1 OFFSET FROM EDGE (4 REQUIRED ). STEPS H-M E. PLACE MAX. 8" LIFT OF SELECT BACKFILL 2 MIN AWAY FROM TO HOLD ASSEMBLY IN POSITION. COMPACT SOIL TO MIN. 95% (MODIFIED PROCTOR) OR H. CONTINUE PLACING FILL IN 8" LIFTS UNTIL NEXT STRIP ROW IS REACHED. STATE-SPECIFIC DOT REQUIREMENT, WHICHEVER IS MORE STRINGENT. COMPACTION WITHIN 2 OF BACK OF MUST BE COMPACTED USING F. USING SUPPLIED HOGRINGS, PLACE AND SECURE FABRIC BEHIND FACING PIECE. HAND EQUIPMENT. FABRIC IS TO COMPLETELY COVER BACK SIDE OF AND OVERLAP J. BRING FRONT OF BELOW TO FINAL POSITION. MINIMUM 6" AT BOTTOM AND AT ENDS OF TEMPWALL, 10 HOG RINGS SUPPLIED. K. ATTACH NEXT. PLACE LONGITUDINAL EXTENSIONS FROM BELOW G. PLACE REMAINING 8" LIFT OF SELECT BACKFILL MATERIAL, COMPACT USING HAND EQUIPMENT. BEHIND THE TRANSVERSE BAR AT THE ABOVE BEND. TAKE CARE TO PREVENT FROM LEANING OUT. THIS IS REQUIRED. L. ATTACH S, AND WIRE STRUTS (STEPS B-F). M. FILL VOID THROUGH AND SOIL MAT, IF NECESSARY. CONSTRUCTION SEQUENCE 16" OVERLAP STRIPS AT ANGLES SPREAD STRIPS FOR CONVEX RADIUS OVERLAP STRIPS FOR CONCAVE RADIUS 12" OR 2 STD. 2" USE 1" DIA PIN TO BEND TRI-WEB W4.5 WIRE STRUT DETAIL STEP N 1. STRUTS ARE A WALL COMPONENT. 2. FOUR (4) W4.5 STRUTS ARE REQUIRED AT EACH. 3. 16" STRUT SHALL ENGAGE TRANSVERSE BARS AS SHOWN N. REPEAT PROCEDURES IDENTIFIED IN STEPS H THROUGH M UNTIL FINISH GRADE IS ACHEIVED. ANGLE, IF APPLICABLE RADIUS PORTION, IF APPLICABLE FRONT FACE OF TEMP WALL TEMP WALL LAYOUT AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE TRI-WEB TEMP WALL DETAILS 6 of 8
SAND BACKFILL, STEEL REINFORCEMENT CASE 10 Hd=10 B=9 F.P.=2.427 KSF CASE 16 Hd=16 B=13 F.P.=3.697 KSF CASE 20 Hd=20 B=15 F.P.=4.713 KSF EL. 189.00 30-0" CASE 30 THEORETICAL TOP/WALL 2 TOP/WALL CUT TO FIT AS REQUIRED OF WALL 1.5:1 BTM/WALL EL. 181.00 5 BTM/WALL BTM/WALL EL. 175.00 4 BTM/WALL EL. 171.00 3 EXAMPLE CASE 26 40-0" CASE 20 BTM/WALL EL. 165.00 CASE 16 CUT TO FIT AS REQUIRED CASE 10 TOP/WALL EL. 191.00 THEORETICAL BOTTOM PANEL COLUMN 5 ROW 3-5: J9 x6" ROW 1-2: J9 x12" CASE 26 Hd=26 B=19 F.P.=5.995 KSF PANEL COLUMN 2 ROW 12-13: J19 x6" ROW 6-11: J19 x18" ROW 1-5: J19 x30" PANEL COLUMN 4 ROW 8: J13 x6" ROW 5-7: J13 x12" ROW 1-4: J13 x18" CASE 30 Hd=30 B=21 F.P.=7.057 KSF PANEL COLUMN 1 ROW 15: J21 x6" ROW 4-14: J21 x18" ROW 1-3: J21 x30" PANEL COLUMN 3 ROW 10: J15 x6" ROW 5-9: J15 x12" ROW 1-4: J15 x2 BTM/WALL EL. 161.00 SAND BACKFILL, TRI-WEB REINFORCEMENT 1 CASE 10 Hd=10 B=10 F.P.=2.293 KSF CASE 16 Hd=16 B=13 F.P.=3.697 KSF CASE 20 Hd=20 B=15 F.P.=4.713 KSF 2-0"x8-0" STANDARD PANEL COLUMN 5 ROW 5: (7)P30 ROW 3-4: (5)P30 ROW 1-2: (4)P30 PANEL COLUMN 4 ROW 8: (8)P30 ROW 7: (6)P30 ROW 6: (5)P30 ROW 4-5: (4)P30 ROW 1-3: (3)P30 PANEL COLUMN 3 ROW 10: (8)P30 ROW 9: (6)P30 ROW 8: (5)P30 ROW 5-7: (4)P30 ROW 3-4: (3)P30 ROW 1-2: (3)P50 TYPICAL TEMPORARY RETAINING WIREWALL FRONT FACE ELEVATION CASE 26 Hd=26 B=19 F.P.=5.995 KSF PANEL COLUMN 2 ROW 13: (7)P30 ROW 12: (6)P30 ROW 11: (5)P30 ROW 9-10: (4)P30 ROW 6-8: (3)P30 ROW 5: (3)P50 ROW 1-4: (2)P50 CASE 30 Hd=30 B=21 F.P.=7.057 KSF PANEL COLUMN 1 ROW 15: (8)P30 ROW 14: (6)P30 ROW 13: (5)P30 ROW 11-12: (4)P30 ROW 8-10: (3)P30 ROW 7: (3)P50 ROW 1-6: (2)P50 AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE TYPICAL WIRE WALL ELEVATION TRICON JOB NO.: 7 of 8
FINISHED GRADE H = HEIGHT FROM BOTTOM OF WALL TO TOP OF BACKFILL SEE " CONNECTION DETAIL" FABRIC 2 SELECT BACKFILL 3" MIN. 15 MAX HORIZONTAL OBSTRUCTION STEEL OR TRIWEB SOIL REINFORCING MAY BE BENT OVER OR UNDER HORIZONTAL OBSTRUCTIONS AS REQ D 3" MIN. FRONT FACE OF PANEL VERTICAL OBSTRUCTION USE J-HOOKS AS NECESSARY TO SECURE BOTTOM TO ALLOW TIGHTENING OF S. B = TOTAL LENGTH OF AND (FACTOR VARIES PER CASE) TYPICAL SECTION THRU TEMPORARY WIRE WALL LOCATE STRIP BAR TO AVOID VERTICAL OBSTRUCTION VERTICAL OBSTRUCTION - TRIWEB STRIPS BEND LONGITUDINAL WIRE AROUND OBSTRUCTION CUT TRANSVERSE WIRE (DO NOT CUT LONG, WIRE) VERTICAL OBSTRUCTION #3 REBAR LONGITUDINAL WIRE MAY NOT BE CUT. CONNECTION DETAIL TRANSVERSE WIRE MAY BE CUT TO ALLOW MESH TO BE DEVIATED AROUND OBSTACLES. 15 MAX. TRANSVERSE WIRE MUST BE LEFT ATTACHED TO LONGITUDINAL WIRES. IF CONDITIONS ARE SIGNIFICANTLY DIFFERENT THAN THESE DETAILS, NOTIFY ENGINEER FOR SPECIFIC REQUIREMENTS. VERTICAL OBSTRUCTION SPLAYED MSE MESH NEED NOT RETURN TO PERPENDICULAR ALIGNMENT TO MSE PANELS. AND THE INFORMATION PROVIDED BY THE OWNER. TEG, LLC. IS ONLY RESPONSIBLE FOR THE STANDARD OBSTRUCITON DETAILS TRICON JOB NO.: 8 of 8