B08__Attachment_1_Eufaula_pipe_drawings___specs_0002.pdf

24'-0"

A

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X

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24'-0"

X

24'-0"

X

24'-0"

X

24'-0"

X

24'-0"

X

CONNECT TO FIELD RISER

STUB W/ FLANGED ADAPTER

W/ BACKING RING

528'-5"

0+

0+

0+

0+

0+

1+

1+

1+

1+

1+

2+

2+

2+

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2+

3+

24'-0"

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'-0

X

24'-0" X

528'-5"

24'-0"

45°

45°

24'-0"

6'-4"

INTERNAL DIVERTING WALL

PLATE WEDGE (1" THICK

HDPE PLATE W/ INTERNAL

GUSSETS)

3+

3+

3+

3+

4+

4+

4+

4+

4+

5+

5+

MANIFOLD TO BE ENCASED IN STABILIZED FILL

B

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SHEET NO.:

OF 5

7/2/2024 DATE:PROJECT No.:

808414 SEQ. No.:

808414-010-DMAXX-CON-A

1REVISION DESCRIPTIONDATEMARK BY

- 808414-010

AL FISH & WILDLIFE

EUFAULA, AL

SITE DESIGNATION: 48IN OUTFALL

The design and information shown on this drawing is provided as a service to the project owner, engineer and contractor by Contech Engineered Solutions LLC ("Contech"). Neither this drawing, nor any part thereof, may be used, reproduced or modified in any manner without the prior written consent of Contech. Failure to comply is done at the user's own risk and Contech expressly disclaims any liability or responsibility for such use.

If discrepancies between the supplied information upon which the drawing is based and actual field conditions are encountered as site work progresses, these discrepancies must be reported to Contech immediately for re-evaluation of the design. Contech accepts no liability for designs based on missing, incomplete or inaccurate information supplied by others.

FULL SIZE 24"X36" SHEETS

NOTES

· ALL RISER AND STUB DIMENSIONS ARE TO CENTERLINE.

· ALL ELEVATIONS, DIMENSIONS, AND LOCATIONS OF

RISERS AND INLETS, SHALL BE VERIFIED BY THE

ENGINEER OF RECORD PRIOR TO RELEASING FOR

FABRICATION.

· ALL RISERS AND STUBS ARE FABRICATED USING HDPE

DR32.5 & M294 PIPE UNLESS OTHERWISE NOTED.

· RISERS TO BE FIELD TRIMMED TO GRADE.

· QUANTITY OF PIPE SHOWN DOES NOT PROVIDE EXTRA

PIPE FOR CONNECTING THE SYSTEM TO EXISTING PIPE

OR DRAINAGE STRUCTURES. OUR SYSTEM AS DETAILED

PROVIDES NOMINAL INLET AND/OR OUTLET PIPE STUB FOR

CONNECTION TO EXISTING DRAINAGE FACILITIES. IF

ADDITIONAL PIPE IS NEEDED IT WILL HAVE TO BE

REQUESTED BY THE REVIEWER/APPROVAL AUTHORITY

PRIOR TO FABRICATION.CUSTOMER DATE

THE UNDERSIGNED HEREBY APPROVES THE ATTACHED (5) PAGES

INCLUDING THE FOLLOWING:

· WALL TYPE = NON-PERFORATED

· DIAMETER = XXX

· PIPE MATERIAL = SRPE

· JOINT TYPE = QUIKJOINT BELL & SPIGOT

· LOADING = HS-20

· DESIGN IS BASED ON THE ASSUMPTION THAT THE MAX

INTERNAL PRESSURE IS 10.8PSI (25FT OF HEAD) OR LESS

STATION: 0+00 TO 3+11

SCALE: 1"=10'

STATION: 3+11 TO 5+28.44

SCALE: 1"=10'

M

ATC

H

LIN

E A

M

AT

C H

LI

N

E A

SYSTEM BoM

FITTING TYPE QTY Ø MATERIAL WALL

TYPE LENGTH TOTAL

A PIPE 1 48 DUROMAXX SOLID 24.00 24.00

A1 FLANGED ADAPTER 1 48 DR32.5 SOLID 0.00 0.00

A1-1 BACKING RING 1 48 CAST IRON SOLID

B MANIFOLD TEE/WYE 1 48 DUROMAXX SOLID 12.00 12.00

B1 TEE STUB 1 48 DUROMAXX SOLID 4.25 4.25

B2 DIVERTER WEDGE 1 1" THICK HDPE SOLID

B3 DIVERTER WEDGE 1 1" THICK HDPE SOLID

X PIPE 23 48 DUROMAXX SOLID 24.00 552.00

CONNECTION QUIKJOINT BELL 23 48 SRPE

CONNECTION QUIKJOINT SPIGOT 25 48 SRPE

CONNECTION QUIKJOINT GASKET 25 48 GASKET

2'-3" 2'-0"

3'-8"

2'-10"

2'-0" 4'-81

4" 2'-0"

2'-10"

3'-8"

2'-0"

2'-3"

6'-4"

4'-3"

3'-11 2"

4"

1'-3"

9"

1" THICK HDPE PLATE WEDGE DIVERTER

WELDED TO THE INSIDE OF THE TEE

WITH A UPPER AND LOWER WEDGE

DUROMAXX QUICKJOINT BELLDUROMAXX

QUICKJOINT

SPIGOTS

2'-111 4"

4'-81 4"

(B1) 48"Ø DUROMAXX STUB

FITTING "B" MANIFOLD TEE/WYE DETAIL

SCALE: 1"=4'

45°45°

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SHEET NO.:

OF 5

7/2/2024 DATE:PROJECT No.:

808414 SEQ. No.:

2DRAWING

REVISION DESCRIPTIONDATEMARK BY

- 808414-010

AL FISH & WILDLIFE

EUFAULA, AL

SITE DESIGNATION: 48IN OUTFALL

The design and information shown on this drawing is provided as a service to the project owner, engineer and contractor by Contech Engineered Solutions LLC ("Contech"). Neither this drawing, nor any part thereof, may be used, reproduced or modified in any manner without the prior written consent of Contech. Failure to comply is done at the user's own risk and Contech expressly disclaims any liability or responsibility for such use.

If discrepancies between the supplied information upon which the drawing is based and actual field conditions are encountered as site work progresses, these discrepancies must be reported to Contech immediately for re-evaluation of the design. Contech accepts no liability for designs based on missing, incomplete or inaccurate information supplied by others.

CONSTRUCTION LOADS:

FOR TEMPORARY CONSTRUCTION VEHICLE LOADS, AN EXTRA AMOUNT OF COMPACTED COVER MAY

BE REQUIRED OVER THE TOP OF THE PIPE. THE HEIGHT-OF-COVER SHALL MEET THE MINIMUM

REQUIREMENTS SHOWN IN THE TABLE BELOW. THE USE OF HEAVY CONSTRUCTION EQUIPMENT

NECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED GRADE COVER MINIMUMS FOR

NORMAL HIGHWAY TRAFFIC.

FINISHED

GRADE

HEIGHT OF COVER

*MINIMUM COVER MAY VARY, DEPENDING ON LOCAL CONDITIONS.

THE CONTRACTOR MUST PROVIDE THE ADDITIONAL COVER

REQUIRED TO AVOID DAMAGE TO THE PIPE. MINIMUM COVER IS

MEASURED FROM THE TOP OF THE PIPE TO THE TOP OF THE

MAINTAINED CONSTRUCTION ROADWAY SURFACE.

TEMPORARY COVER

FOR CONSTRUCTION

LOADS

DIAMETERS

AXLE LOADS (kips)

18-50 50-75 75-110 110-150

MINIMUM COVER (FT)

12"-42" 2.0 2.5 3.0 3.0

48"-72" 3.0 3.5 3.5 4.0

84"-96" 3.0 3.5 4.0 4.5

108"-120" 3.5 4.0 4.5 5.0

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SHEET NO.:

OF 5

7/2/2024 DATE:PROJECT No.:

808414 SEQ. No.:

S3REVISION DESCRIPTIONDATEMARK BY

- 808414-010

AL FISH & WILDLIFE

EUFAULA, AL

SITE DESIGNATION: 48IN OUTFALL

The design and information shown on this drawing is provided as a service to the project owner, engineer and contractor by Contech Engineered Solutions LLC ("Contech"). Neither this drawing, nor any part thereof, may be used, reproduced or modified in any manner without the prior written consent of Contech. Failure to comply is done at the user's own risk and Contech expressly disclaims any liability or responsibility for such use.

If discrepancies between the supplied information upon which the drawing is based and actual field conditions are encountered as site work progresses, these discrepancies must be reported to Contech immediately for re-evaluation of the design. Contech accepts no liability for designs based on missing, incomplete or inaccurate information supplied by others.

NOTES:

1. ALL ELEVATIONS, DIMENSIONS AND LOCATIONS OF RISERS AND INLETS, SHALL BE VERIFIED BY THE ENGINEER OF RECORD (E.O.R.) OR OWNER DURING DESIGN & CONTRACT PHASE OF PROJECT. IF ELEVATIONS AND DESIGN INFORMATION IS NOT PROVIDED BY E.O.R. OR

OWNER, THE PROJECT CANNOT BE RELEASED FOR FABRICATION.

2. THIS PROJECT IS FOR XXXØ DUROMAXX.

3. DESIGN SERVICE LIFE OF TANK IS TO BE SPECIFIED BY E.O.R. OR OWNER DURING DESIGN PHASE OF PROJECT, AND WILL BE REVIEWED BY

MANUFACTURER.

4. ANY TESTING OF THE TANK WILL NEED TO BE SPECIFIED BY E.O.R. OR OWNER DURING DESIGN PHASE OF PROJECT.

5. ALL WATER TABLE ELEVATIONS ARE TO BE ACCURATELY PROVIDED BY E.O.R. OR OWNER PRIOR TO CONTRACT/FINAL DESIGN PHASE OF

PROJECT.

6. TOTAL HEIGHT OF COVER AND DEPTHS OF THE TYPE OF PAVEMENT TO BE USED ARE TO BE PROVIDED BY E.O.R. OR OWNER DURING

PROPOSAL & CONTRACT PHASES.

7. INTERNAL OPERATIONAL DESIGN PRESSURES (IF ANY) ARE TO BE PROVIDED BY E.O.R. OR OWNER TO THE MANUFACTURER DURING

INITIAL DESIGN PHASE TO PROVIDE PROPER DESIGN OF THE TANK.

8. DESIGN INFORMATION FOR SURGE PRESSURES THAT CAN BE SEEN DURING OPERATION OF THE SYSTEM AS REQUIRED BY E.O.R. OR

OWNER WILL ALSO NEED TO BE PROVIDED DURING DESIGN PHASE OF THE PROJECT.

9. DESIGN INFORMATION AS TO WATER TEMPERATURE (IF ABOVE NORMAL EFFLUENT TEMPERATURES) WILL NEED TO BE PROVIDED BY

E.O.R. OR OWNER DURING DESIGN PHASE OF PROJECT.

10. IF INLET OR OUTLET PIPES NEED TO HAVE GREATER THAN 4PSI JOINTS FOR FIELD PIPE CONNECTIONS, THE USE OF FLANGED ADAPTERS

WILL NEED TO BE SPECIFIED BY E.O.R. OR OWNER DURING DESIGN PHASE OF PROJECT.

11. ALL TANK LATERALS (PIPE STUBS), RISERS & VENTS ARE CONSTRUCTED USING HDPE M294, DR32.5 & DR17 UNLESS OTHERWISE NOTED.

12. ALL PIPE DIMENSIONS ARE SUBJECT TO MANUFACTURERS TOLERANCES.

13. SYSTEM IS DESIGNED FOR H20 AND H25 LOADING.

14. CONSIDERATIONS FOR CONSTRUCTION EQUIPMENT LOADS MUST BE TAKEN INTO ACCOUNT. SEE DETAIL ON THIS PAGE.

15. ANTI-FLOTATION PROVISIONS DUE TO HIGH GROUNDWATER OR OTHER FLOTATION CONCERNS ARE SITE-SPECIFIC DESIGN

CONSIDERATIONS AND SHALL BE SPECIFIED BY ENGINEER OF RECORD.

SCOPE

THIS SPECIFICATION DESCRIBES DUROMAXX PIPE FOR USE IN MULTIPLE APPLICATIONS IN 30" (750 MM) THROUGH 120" (3000 MM) NOMINAL

DIAMETERS.

DESCRIPTION

DUROMAXX IS A REINFORCED POLYETHYLENE PIPE WITH A SMOOTH WATERWAY WALL AND EXTERIOR PROFILE THAT IS REINFORCED WITH HIGH STRENGTH GALVANIZED STEEL RIBS. THE CONTINUOUS REINFORCING RIBS ARE COMPLETELY ENCASED WITHIN THE POLYETHYLENE PROFILE. DUROMAXX IS MANUFACTURED USING A HELICAL WINDING PROCESS THAT RESULTS IN A CONTINUOUSLY FUSION WELDED CIRCUMFERENTIAL LAP SEAM. THE PIPE PROFILE IS MANUFACTURED USING A HIGH QUALITY PRESSURE-RATED THERMOPLASTIC MEETING THE REQUIREMENTS OF ASTM F2562 “STANDARD SPECIFICATION FOR STEEL REINFORCED THERMOPLASTIC RIBBED PIPE AND FITTINGS FOR NON-PRESSURE DRAINAGE AND SEWERAGE”. FOR THE PURPOSE OF HYDRAULIC DESIGN, THE RECOMMENDED MANNING'S "N" VALUE SHALL BE

0.012 FOR PIPE DIAMETERS INCLUDED WITHIN THIS SPECIFICATION. PIPE LENGTH & ALL DIMENSIONS SHOWN ARE SUBJECT TO

MANUFACTURERS TOLERANCES OF ±1% ACCORDING TO ASTM F2562.

MATERIAL PROPERTIES

VIRGIN HIGH DENSITY POLYETHYLENE PRESSURE-RATED RESINS ARE USED TO MANUFACTURE DUROMAXX PIPE. RESINS SHALL CONFORM TO THE MINIMUM REQUIREMENTS OF CELL CLASSIFICATION 345464 C AS DEFINED AND DESCRIBED IN THE LATEST VERSION OF ASTM D3350

“STANDARD SPECIFICATION FOR POLYETHYLENE PLASTICS PIPE AND FITTINGS MATERIALS”.

FITTINGS

ALL FITTINGS SHALL BE FABRICATED FROM DUROMAXX PIPE. ANY FITTINGS 30"Ø AND BELOW WILL BE HDPE PIPE.

ALL FABRICATION OF THE PRODUCT SHALL OCCUR WITHIN THE UNITED STATES.

INSTALLATION SPECIFICATION

PRE-CONSTRUCTION MEETING

PRIOR TO INSTALLATION OF THE DRAINAGE SYSTEM A PRE-CONSTRUCTION

MEETING SHALL BE CONDUCTED. THOSE REQUIRED TO ATTEND ARE THE

SUPPLIER OF THE DRAINAGE SYSTEM, THE GENERAL CONTRACTOR, SUB CONTRACTORS AND THE ENGINEER.

INSTALLATION OF PIPE:

IT IS THE RESPONSIBILITY OF THE CONTRACTOR AND/OR PROJECT ENGINEER TO ENSURE THAT ALL QUESTIONS ABOUT INSTALLATION ARE ADDRESSED PRIOR TO APPROVAL OF SYSTEM. ALL DETAILS FOR INSTALLATION ARE LOCATED IN THIS DRAWING PACKAGE ANY QUESTIONS CONCERNING THESE STANDARD DETAILS CAN BE ADDRESSED BY YOUR CONTECH REPRESENTATIVE PRIOR TO APPROVAL.

BACKFILL SHALL BE PLACED TO THE PROPER ELEVATION OVER THE SYSTEM AS OUTLINED IN THE PLANS. MINIMUM COVER FOR CONSTRUCTION LOADING NEEDS TO BE DETERMINED BASED ON THE TYPE OF EQUIPMENT THAT IS PLANNED FOR CONSTRUCTION. PROPER COVER FOR CONSTRUCTION EQUIPMENT IS DETAILED IN THE CONSTRUCTION LOADING DIAGRAM LOCATED ON THIS PAGE.

CONSTRUCTION LOADING DIAGRAM

N.T.S

BELL DETAIL

SPIGOT DETAIL

BELL

LENGTH

BE

LL

E N

D M

AX

IM

U M

O U

TS

ID

E D

IA

M

ET

ER

POLYETHYLENE

ENCAPSULATED

STEEL RETAINING

BAND

POLYETHYLENE

ENCAPSULATED STEEL

RETAINING BAND

NOMINAL PIPE

DIA. (in)

BELL O.D.

(in)

BELL

LENGTH

(in)-MAX

30 33.9 10.74

36 39.8 10.74

42 45.7 10.74

48 52.3 10.74

54 58.2 10.74

60 64.1 10.74

66 70.9 10.74

72 76.8 10.74

78 82.7 10.74

84 88.6 10.74

96 100.4 10.74

108 112.3 10.74

120 124.1 10.74

ALL JOINTS ARE 10.8 psi

GASKETS

HDPE

SPIGOT

DUROMAXX BELL

DUROMAXX QUICKJOINT™

BELL & SPIGOT CONNECTION

GASKET

QUIKJOINT BELL & SPIGOT CONNECTION DETAIL

NOT TO SCALE

TM

1. MINIMUM TRENCH WIDTH MUST ALLOW ROOM FOR PROPER COMPACTION OF HAUNCH MATERIALS UNDER PIPE. MIN. WIDTH = (1.25 x

DIAMETER) + 12" (FOLLOW ASTM D2321)

1a. MINIMUM EMBANKMENT WIDTH IS 3 PIPE DIAMETERS BUT NO LESS THAN 2' OUTSIDE OF SPRINGLINE.

2. FOUNDATION SHALL BE WELL CONSOLIDATED & STABLE.

3. ENGINEER TO DETERMINE IF BEDDING IS REQUIRED. BEDDING MATERIAL SHALL BE A RELATIVELY LOOSE MATERIAL THAT IS ROUGHLY

SHAPED TO FIT THE BOTTOM OF THE PIPE, 4" TO 6" IN DEPTH.

4. DUROMAXX STEEL REINFORCED (SRPE) PIPE.

5. HAUNCH ZONE MATERIAL SHALL BE HAND SHOVELED OR SHOVEL SLICED INTO PLACE TO ALLOW FOR PROPER COMPACTION.

5a. INITIAL BACKFILL FOR PIPE EMBEDMENT MATERIAL TO MEET ASTM D2321 CLASS I, II, III OR APPROVED EQUAL, COMPACTED TO 90% STANDARD PROCTOR (NATIVE MATERIAL CAN BE UTILIZED THAT MEETS ASTM D2321 OR APPROVED EQUAL).

· ALL LIFTS PLACED IN CONTROLLED MANNER. TO PREVENT UNEVEN LOADING, IT IS RECOMMENDED THAT LIFTS NOT EXCEED 8"

UNCOMPACTED LIFT HEIGHTS.

6. INITIAL BACKFILL ABOVE PIPE MAY INCLUDE ROAD BASE MATERIAL AND RIGID PAVEMENT (IF APPLICABLE), MINIMUM COVER STILL

APPLIES, OTHERWISE:

6" MINIMUM FOR PIPE DIAMETERS 30" - 60"

12" MINIMUM FOR PIPE DIAMETERS 66" - 96"

6a. HEIGHT OF COMPACTED COVER PER DIAMETER FOR CONVENTIONAL HIGHWAY LOADS (DISTANCE MEASURED FROM TOP OF PIPE TO

BOTTOM OF FLEXIBLE PAVEMENT OR TOP OF RIGID PAVEMENT):

12" MINIMUM FOR PIPE DIAMETERS 30" - 60"

18" MINIMUM FOR PIPE DIAMETER 66" - 78"

24" MINIMUM FOR PIPE DIAMETERS 84" - 96"

7. FINAL BACKFILL MATERIAL SELECTION AND COMPACTION REQUIREMENTS PER THE PROJECT PLANS, SPECIFICATIONS. ENGINEER OF

RECORD.

NOTES:

· ENGINEER TO DETERMINE IF GEOTEXTILE SHOULD BE USED TO PREVENT SOIL MIGRATION.

· FOR MULTIPLE BARREL INSTALLATION THE RECOMMENDED STANDARD SPACING BETWEEN PARALLEL PIPE RUNS SHALL BE = PIPE DIA./2

OR 3' FOR PIPE DIAMETERS 72" AND LARGER. CONTACT YOUR CONTECH REPRESENTATIVE FOR NONSTANDARD SPACING.

· BACKFILL REQUIREMENTS SHALL FOLLOW ASTM D2321. IN THE EVENT OF DISCREPANCIES, ASTM D2321 SHALL SUPERCEDE THIS DETAIL.

DIAMETER MAX

COVER*

75% MAX

COVER**

30"-42" 50'-0" 37'-6"

48"-96" 30'-0" 22'-6"

*FOR INITIAL BACKFILL USE ASTM D2321,

CLASS I, II MATERIAL.

**REDUCED MAX. COVER WHEN USING ASTM

D2321 CLASS III MATERIAL IN

TRENCH/HAUNCH ZONE OR FOR FIRST

BACKFILL.

INITIAL FILL ENVELOPE

FINAL BACKFILL

INITIAL BACKFILL

HAUNCH ZONE

PIPE ZONE

6a

BEDDING

FOUNDATION

PI

PE

E M

BE

D

M

EN

T

DIAMETER

IN SITU

1 1a

D/25a

INSTALLATION/BACKFILL DETAIL

NOT TO SCALE

EMBANKMENT CONDITIONTRENCH CONDITION

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SHEET NO.:

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7/2/2024 DATE:PROJECT No.:

808414 SEQ. No.:

808414-010-DMAXX-CON-A

S4REVISION DESCRIPTIONDATEMARK BY

- 808414-010

AL FISH & WILDLIFE

EUFAULA, AL

SITE DESIGNATION: 48IN OUTFALL

The design and information shown on this drawing is provided as a service to the project owner, engineer and contractor by Contech Engineered Solutions LLC ("Contech"). Neither this drawing, nor any part thereof, may be used, reproduced or modified in any manner without the prior written consent of Contech. Failure to comply is done at the user's own risk and Contech expressly disclaims any liability or responsibility for such use.

If discrepancies between the supplied information upon which the drawing is based and actual field conditions are encountered as site work progresses, these discrepancies must be reported to Contech immediately for re-evaluation of the design. Contech

MANIFOLD TEE REINFORCEMENT INSTALLATION DETAIL

NOT TO SCALE

CLSM EXTENTS

PLAN VIEW

ELEVATION VIEW

MAINLINE DUROMAXX PIPE

DURING INSTALLATION CLSM IS TO

BE INSTALLED FOR ADDITIONAL

REINFORCEMENT OF THE PIPE

INLET AREAS

DUROMAXX PIPE STUB

1'-0"

1'-0"

1'-0"

C1. INITIAL BACKFILL FOR PIPE EMBEDMENT MATERIAL TO MEET

ASTM D2321 CLASS I OR APPROVED EQUAL, COMPACTED TO 90%

STANDARD PROCTOR (NATIVE MATERIAL CAN BE UTILIZED THAT

MEETS ASTM D2321 OR APPROVED EQUAL).

· ALL LIFTS PLACED IN CONTROLLED MANNER. TO PREVENT

UNEVEN LOADING, IT IS RECOMMENDED THAT LIFTS NOT

EXCEED 8" UNCOMPACTED LIFT HEIGHTS.

C2. DUROMAXX REINFORCED (SRPE) PIPE.

C3. MINIMUM OF 6" OF STABILIZED FILL OVER THE TEE FITTING

C4. STABILIZED BACKFILL MATERIAL SUCH AS CLSM OR CEMENT

STABILIZED SAND. MATERIAL SHALL HAVE A MINIMUM

COMPRESSIVE STRENGTH OF 750 PSI.

C5. BEDDING MATERIAL SHALL BE A RELATIVELY LOOSE COMPACTED

BEDDING MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE

BOTTOM OF THE PIPE, 4" TO 6" IN DEPTH.

C2

C1

C3

C4

DUROMAXX-CLSM BACKFILL DETAIL FOR REINFORCED STUB ON MANIFOLD

C3

C5

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SHEET NO.:

OF 5

7/2/2024 DATE:PROJECT No.:

808414 SEQ. No.:

S5REVISION DESCRIPTIONDATEMARK BY

- 808414-010

AL FISH & WILDLIFE

EUFAULA, AL

SITE DESIGNATION: 48IN OUTFALL

The design and information shown on this drawing is provided as a service to the project owner, engineer and contractor by Contech Engineered Solutions LLC ("Contech"). Neither this drawing, nor any part thereof, may be used, reproduced or modified in any manner without the prior written consent of Contech. Failure to comply is done at the user's own risk and Contech expressly disclaims any liability or responsibility for such use.

If discrepancies between the supplied information upon which the drawing is based and actual field conditions are encountered as site work progresses, these discrepancies must be reported to Contech immediately for re-evaluation of the design. Contech