DuraFlex NW Series No Wing Seal System

bulgefetaUrban and Civil

Nov 29, 2013 (3 years and 11 months ago)

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Document Control No.: BGS07

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1


SECTION 07

9
1 13

EXTERIOR
EXPANSION
AND SEISMIC JOINT

SYSTEM
SPECIFICATION


DuraFlex
TM


NW


Series


No Wing

Seal

System


Heavy Duty/Vehicular Series

Expansion Control

System


PART 1
-

GENERAL


1.01

Related Documents


A.

Drawings and general provisions of
the Contr
act, including General




Conditions, Supplementary Conditions and Division
-
1 General Requirements,




apply to the work of this section.


1.02

Work Included




A.

The work shall consist of furnishing and installing expansion joint

system
s in




accordance with the details shown on th
e plans and the requirements of
the




specifications. The joints are proprietar
y designs utilizing an extruded




compression

seal and
a

lubricant adhesive
.

In
the event of any discrepancy




between the contrac
t drawings and

specifications, the specifications shall




govern.


1.03

Related

Work




A.

Related work which is specified elsewhere.




1.

Division 3


Section
03300
on Concrete




2.

Division 3


Section
0
3450 on Architectural Precast Concrete




3.

D
ivision 7


Section 07620 on Sheet Metal Flashings and Trim




4.

Division 7


Section
07900
on Waterproofing, Sealants and Caulking


1.04

References




A.

Publications listed herein are part of this specification to the extent




referenced. The criteri
a established in the specifications shall take




precedence over the standards referenced herein.




1.

American Society for Testing and Materials (ASTM):





a.

ASTM D4070, Standard Specification for Adhesive Lubricant for






Installation of Preforme
d Elastomeric Bridge Compression Seals in






Concrete Structures.


1.05

Submittals


A.

Shop Drawings and Product Data


Submi
t typical expansion joint cross
-




sections indicating pertinent dimensioning, general construction, joint

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dimensioning and pr
oduct data inform
ation. Drawings will also show




transition and installation details.




B.

Samples


Submit one (1) sample piece

at least 6” long, of each type
required, to the Project Architect/Engineer for approval.


1.06

System Description




A.

Du
raFlex
TM


NW
” Series


No Wing

Seal System as manufactured by




Balco, Inc.




1.

The joint seal shall be a watertight
deck

expansion
control
system that

is





capable of accommodating multi
-
directional movement.




2.

The system shall

consist of an
extruded

elastomeric

compression
seal






that is secured to the deck using a proprietary ambient
-
cured
lubricant





adhesive
.




3.

The

elastomeric
compression
seal

sh
all be sized to
accommodate
the





total range of
movement a
s dictated by the speci
fier for
eac
h joint





location. The
contractor will

provide evidence utilizing the
Manufacturer’s





product
data
that the se
al profile will comply with the
requirement.


1.07

Quality Assurance




A.

Manufacturer: Obtain joint seals through one sour
ce from a single




manufacturer.




1.

The Manufacturer shall be ISO 9001:2000 Certified.





a.

The manufacturer shall have documented management and control of






the processes
that influence the quality of its products.





b.

The manufacturer shal
l have documented management and control of






the processes that influence the quality of its customer service.





c.

Manufacturers in the proc
ess of obtaining ISO 9001:2000 C
ertification






shall not be considered.




2.

The manufacturer shall hav
e a minimum of ten (10) years of experience





in the fabr
ication of expansion joint system

assemblies.




B.

Installer: The installer shall be acceptable to the system manufacturer.




1.

The installer shall be insured and also licensed, as required, b
y the local





state agency within the project’s jurisdiction.




2.

The approved installer shall prepare and submit details of all special





conditions to the manufacturer for review and approval prior to





installation.


1.08

Product Delivery, St
orage and Handling




A.

Deliver joint seal systems to the jobsite in new, clean,
intact, labeled,




unopened crates
, containers, pallets, reels, or bundles of
sufficient size and




strength to protect the materials during transit.




B.

Store all comp
onents

under shelter in a dry
,

cool location. Store off the




ground; protect from freezing, direct sun exposure
, weather and

construction




activities.
The adhesive shall be stored at temperatures between
50°F and




8
0°F.

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C.

Until used, all comp
onents should be left in the manufacturer’s original,




unopened labeled
crates,
c
ontain
ers, pallets,

reels

or bundles
.


1.09

Project Conditions




A.

Joint Opening


The work may p
roceed only after the Installer has
reviewed




the joint opening
/temper
ature inf
ormation, and coordinated that
information




with

the Engineer’s design
calcula
tions. This will determine the
proper size




“NW


seal that should be

used for each joint location.
Note that
this size may




vary from that called for in the B
id Documents.




B.

Environmental Conditions


Do not p
roceed with installation of the
compression seal
under the following
conditions:




1.

When ambient and substrate temperature conditions are outside the limits





permi
ted by the Manufacturer.




2.

When the joint substrates are wet.




C.

The
expansion joint blockout and opening

concrete surface
s must be




sandblasted
to remove laitance, loosely bonded material and any other




contaminant.

They shall

be free of dust, oil,
grease, wax, moisture a
nd




frost.
The joint interface walls shall

be
clean.


1.10

Warranty




A.

Warranty: The specified products shall be warranted when installed in strict




accordance with the manufacturer’s technical specifications, details,




installation instructi
ons and general procedures as well as good industry




practice in effect for normal traffic usage and suitable applications under




specific design movements and loading conditions..




1.

The expansion joint system shall be warranted for a period of o
ne (1)





year.




2.

The specified products shall be warranted for a period of [one (1) year]





[three (3) years] [five (5)

years] when installed by a certified installer,





factory trained by the manufacturer and certified in the proper installat
ion





of the system.


PART 2
-

PRODUCT


2.01

Acceptable Manufacturer




A.

Furnish and install as noted in the specifications and as indicated on the




drawings
DuraFlex
TM


NW
” Series


No Wing

Seal System
(s) [NW
-
250]




[NW
-
300] [NW
-
400] [NW
-
5
00]
[NW
-
6
00] as manufactured by: Balco, Inc.,




PO Box 17249, 2626 S. Sheridan, Wichita, Kansas 67217; phone:




800
-
767
-
0082 or (316
) 945
-
9328; fax: (316) 945
-
0789
.




B.

Alte
rnate manufacturers and their products will be considered, provided they




meet the design concept and are produced of materials that are equal to or




superior to those called for in the base product specification.



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C.

Any proposed alternate system must be submitted and receive approval 21




days prior to bid. Proposals
made subsequently will not be considered. This




submission shall be in accordance with information shown in Division 1




“Request for Substitution”.


2.02

Components and Materials




A.

Elastomeric
Compression

Seal
:




1.

Shall be
a preformed seal
extrude
d from a

flexible, extruded





thermoplastic
(TPE)
compound
(Santoprene)
exhibiting the physical





properties listed in the
table below.


The Elastomeric
Compression
Seal

shall have the following properties:


Material: Thermoplastic Rubber

(Santopren
e)

Hardness, Type A duromete
r, points; ASTM D2240


64

+/
-

3

Specific Gravity; ASTM D297





0.97 +/
-

2

Tensile strength
, min. psi (Mpa); ASTM D
412


10
0
0


Ultimate elongation
, min, %; ASTM D
412



40
0

Brittle point,
o
F; ASTM D746





-
76

High Temp Recovery
(70 hours @ 212
o
F); %


82




B
.

The Lubricant
Adhesive shall be a one component, polyurethane and




hydrocarbon solvent
mixture complying with ASTM D4070.




C
.

Accessories
:




1.

Provide o
ther materials required for complete installation
of the
Duraflex
TM







NW


Series


No Wing

Seal System(s)

in
accordance
with
the





manufacturer’s written installation instructions
.


2.03

Fabrication




A.

Ship th
ermoplastic compression seal

in the longest practical continuous




length, coiled on Manufacturer’s
standard reel or on wooden pallets shrink
-




wrapped.




B.

Heat weld butt splice connections on the jobsite in accordance with the




Manufacturer’s written instructions. All butt splice connections shall




incorpora
te welding of the complete seal

pr
ofile, including heat fusing of all




internal and external web configurations.




C.

Horizontal transitions shall be [factory fabricated] [fabricated on the jobsite]




with heat
-
welded splices, such as 90
o

corners, tees and crosses. The




horizonta
l transitions shall extend a minimum of 2’
-
0” in each direction from




the splice. All horizontal transitions shall incorporate welding of the complete




seal

profile, including heat fusing of all internal and external web




configurations.



D.

Shi
p
Lubricant Adhesive

in Manufacturer’s
approved containers on
wooden




pallets, shrink
-
wrapped.



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2.04

Finishes




A.

Santoprene

compression

seal shall be supplied in standard color: black.


PART 3
-

EXECUTION


3.01

Inspection




A.

The

joint opening
shall be solid, properly formed
, properly cured concrete and




shall be formed
per the manufacturer’s instructions, recommendations and




details and per the project requirements.
Walls shall be plumb and shall be




spaced at

consistent
width across

the joint.

Any area needing repair shall be




repaired utilizing one of the Balco, Inc. recommended concrete repair




materials to provide a solid and square joint opening.




B.

Clean

dirt, stones,
standing water
and all other contaminants and impur
ities





from
the joint opening

and sandblast the vertical walls of the joint to expose




aggregate to remove laitance and contaminants and to prepare the surfaces




for the installation of
the joint system
.


3.02

Examination




A.

Verify that fi
e
l
d

measurements and joint

dimensions

are as shown
on
shop




drawings prior to releasing m
aterials for fabrication by the
manufacturer.




B.

Installer shall examine conditions under which work is to be performed




and shall notify the contractor in writi
ng of unsatisfactory conditions. Installer




shall not proceed with the installation until unsatisfactory conditions have




been corrected in a manner acceptable to the installer.


3.03

Installation




A.

Work shall not proceed under adverse weather c
onditions or when




temperatures are outside the manufacturer’s recommended range.




B
.

Protect all expansion joint system component parts from damage during




installation, placement of concrete and thereafter until completion of the




structure.




C.

Immediately prior t
o installation, the

joint interfaces should be blown out using




compressed air.




D
.

Prepare the installation area in accordance with the manufacturer’s




recommendations and instructions.




E
.

Unpa
ckage the compression

seal
,

unc
oil it and allow it to relax to
relieve any




temporary coiling from shipment packaging and storage.

Prepare
the
seal

for




installation in acc
ordance with the manufacturer’s
recommendations and




instructions.



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F.

Install the
compression

seal

system in accordance with
the manufacturer’s




recommendations and

instructions




G
.

Clean up the work area after installation of the system is completed.


3.04

Adjusting and Protection


A.

Protect the completed expansion joint work from damage during
construction.





1.

Heavy construction vehicles shall not be permitted to cross the joint





without the specific and written permission of the Engineer.




2.

Subs
equential damage to the Compression Seal

System shall be





repaired at the contractor’
s expense.





End of Section