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REPAIRPROCEDURES FCALIFO RNLk CODE RXGUIIP«{1TIIEO5N
<br /> For damaged pipe. NOV Fiber Glass System^, recommends It cracks and delaminated areas are too extensive W be en- CCR _631 (0 mil 2636 (b) ander e
<br /> only the repair methods listed below. DO NOT ananpt to re- a compassed by a hole saw, removal of a short secbon of pipe WKS Chgpnr 16
<br /> pairdamaged finings. Always pressure teat repair work before is necessary. Fordamago throe inches or less In length, a cou-
<br /> putbng the line back Into service to assure the soundness of MONEY, • e piing can be used to make the repay.
<br /> the repaired section. Contact local representative for further
<br /> Information. N using r harements g.T align rt pecprint olyco to mamgm
<br /> 2 .^ 3 spacing requirements The use of a full coupling is neo-
<br /> During repair, the pipeline should not be wrier pressure and ., 'S 5 mmmendad iW`,ee �•.wm wc�ai)bctw re
<br /> the area to be repaired must be Clow and dry throughoutthe t I.0
<br /> procedure. The ends of the pipe must be within 3 Inches (75 mm)of each ® •ivy.-•�'%�� 1=1 a a3�-k-�
<br /> other for Mis repair procedure to maintain the UL hiring. SIm4 - - ---� r6;.vr.rrr w �f 0.c
<br /> lady, plpe Initiation of at least 1 Inch (25 mm) In the repair
<br /> Per RW Thread IIA After the final nipple length Is determined, cut the other end of couple • cu.� .a:rori p.r . LM
<br /> � \ �� coupling* must be maintained. I rine: ave .�.m :otm� „ f�
<br /> the nipple and taper It. making sure the nipple V on Me taper- ..l ee. •y rr..y,! m..n c_y.6 (6)
<br /> Pipe Patching Ing tool M exactly the same postal as the first taper that was Cerner the coupling around the gap In the pipe. ' Dom" qjiie
<br /> Follow these Inawdtions toreIr wall damage where used to measure the Insemon length. Abrade all bond) surfaces before applying Pa pipe 9 h9 PP Nn9 adhesins. [a[t�IR7��t� • � rnawmsy,
<br /> the damaged area Is two Inches (50 mm) or less M diameter. Coat the cut ends of the pipe and bonding surfaces with e,
<br /> • Cut the protective mesh covering and slide away from M solvent le used to clam bonding surfaces, allow the adhesive, then bon the coupling halves togethet. `
<br /> damaged area. clasher to evaporate. APPN adhesive to all bordin sur- • c,.e4,.:::b!. r. . . . into dopa.^an:
<br /> • Cut a length of good pipe long faces and Insert the nipple Into the line by lifting the ling ttib-s-:6c '�'®'^W tire• a.dvam,_i.wa
<br /> enough to adequately cover the or moving it to on side. Pushing the pipe back into the • Di for a• m,:k
<br /> damaged area and extend W least Ane wAl push the nipple Into the bell. Make certain all M. Apply Adhesins tos.,zas)i sa''r=s e*• "tocaw a'°°�
<br /> Three Inches (75 mm) and Prefer. pars are lightly Ixked. Cut Ends of Pipe 37 Glued Areas ai•^•t `�^.b••: . a.m.. a _^ s� Int. fm . m :m.t
<br /> op
<br /> ably four Inches 000 mm) to either side of the damaged Replace the protective mash covering d the repair Is msec tell .cant: azo. sstrrs t]raaeIst-: C mac^: nkn ramt�
<br /> orae. made on 2- (50 mm)pye. ora 01;1 wsctc . Guinnro mn. K.t: aoa rr.ta Mw..
<br /> • SIn the 'patch" langthvmse rvdee and remove a section 31111 so that about three-fourths of the wrcumferenoe remains. Widng JeiMe • piO1x
<br /> xMSEREts
<br /> • Thoroughly sand the inner surface of the patch and sand Any adheswabondetl Joint that leaks during pressure testing
<br /> MUST EE REMOVED AND REPLACED. Follow the previous �idi1x® S•
<br /> s corresponding Use
<br /> 60 ansa on the pipe around the damaged P a
<br /> section. Uu DO to BO gdt Finery clots or sandpaper, a Extensive Damage procedures using two sleeve xupungs iera am�:na 0 552LHP9
<br /> Ala, or a disc sanderto remove all gloss from the surfaces and pipe nipple or fillings, as required. i0.pr1 }I4
<br /> ax.rareaacr era
<br /> to 6e bonded. r�xm.�••� vt.c. sx:. tercet
<br /> • tt soivent is used to clean all bond, After oompleting any necessary repairs to the piping system. :aaas
<br /> Ing surfaces, allow the solvent to follow the proper testing sequence to verity the systemc in- x.. cine cc a, c•..,esad... .y ttr..
<br /> evaporate then apply a thick ooa• tegmy. c. aic"=�- NC
<br /> a•.�.nmvlmg of adhesive to both surfaoes. ' " amv s�...m. is �snap the patch In plata- and apply pressure with hose When r arx.h-wcfit Miclam bend) mateMl until the adhesive hardens. spaying lines which have already bean m service and :k.� amov.a. torraa• a mum;n
<br /> clamps n9 or oh may contain flammable maycofumes, do err use and ire r the O'¢'
<br /> drills
<br /> Hnat ualrg rihbthurtx uaswlbad aWvn nary ha uxnd if Of Other feria which may ObnanNte a Spark hazard near the
<br /> necessary. The damps may be left on or removed after pipe. Use only air-dmven or manual tools for repay.ouring DISPENSE R
<br /> • Replace the protecttva mesh covering d the rapen e) SHEAR VALVE r Remove the affected area with a hole saw. 1`
<br /> made on primn
<br /> ary 2" 150 mm) pipe. • Clean all bus from edge of hole Square-Out Pipe Ends Hall-C ( (e) VAPOR SHEAR VALVE
<br /> cupling
<br /> (Not tapered) CouplingOptimal) (e) SHEAR VALVE
<br /> (Full �
<br /> Using a SIN" Coupling Damaged Area Removed With Hole saw. (0) BRAVO SHALLOW BOX
<br /> • When damage is local (loss than Mro inches (50 m ru Major damage (over 3 Inches (75 mm) In length) I -
<br /> long but mora Men two Inches (50 mm) around the dr-
<br /> cumference of the pipe), check to see it there is enough Damage in which more than three inches of pipe must be re -
<br /> slack In the pipe to out out the damaged section. If so,
<br /> cut out the damaged section, re-raper the cut ends, and mooed vxnsldared major. Major damage Istypicallyroused (r
<br /> bond a sleeve mupimg between the tapered ends. The by air motion equipment or lags mensobjenipple
<br /> sinking the pipe. '~-
<br /> nom must be looked up and fully cured before pressureVA I Repay manor )and one or a oro repair
<br /> upping (and any net
<br /> testing the repair rosary fmmgal and one or more repair coupkngs.
<br /> • If the pipe Is buried, excavate a working area large
<br /> enough to allow for tapering tool rotation. Taper the out13 For damage less Man es mohm m) l mm) M length, a ._.__._._ ......__. I
<br /> ends of the pipeline and install the sleeve oeupling. single then re 14 Inches h (2 mm) long mention
<br /> wtill i1
<br /> provide the required t Inch rzs mint rope Iruertbn at
<br /> Repairing Extemalw Damage Send Bonded Surfaces each end-
<br /> When the damaged area in the pipe wall is larger than two To make repairs greater than 12 Inches (300 mm) in �f
<br /> Inches (50 mm) In dkrmeter, follow these mslrucitons: length, use two full-size or hall c uplings to join tin re• i
<br /> • Using a flapper sander or 60 to 80 gm Emory cloth, pincement nipple with the exlaeng line as shown. L I
<br /> When dam e G extensive I= large for replacement a abrade the pipe where it will contact the repair coupling Follow the guldeAnes given for minor damage, abrade all i!
<br /> erg 9 P by halves and the entire Inner surface of tho coupling. I
<br /> sleeve coupling), cut out The damaged and
<br /> a pi , roper Me cul Apply adhesive to Me cut edge of the hole and to the bonding surfaces, coat all cut pipe ends with adhesive \ �I
<br /> ends. and Metall two sleeve couplings and a prep nipple (and and cbserve spacing and Insertion depthregWmments. 1
<br /> other components, it required). This procedure requires areas .es sof-
<br /> fieent slack In the line to make the final joint by lifting the pipe
<br /> Position Me coupling halves so the the hole u centered i �, f
<br /> (of moving the pipe to one side) to engage the bell and spigot and g0a away from the flanges. 3" < Repair area <10"
<br /> joint Therefore, it may be necessary to remove additional After boiling the halvestogeMa, an adhesive bead should Glued Aram
<br /> bael�tifrom aburied line to allow the pipeline movement of be visible wound the edges of the coupling halves. BELOW DISPENSER 91QyR � � 'g7�
<br /> several feet Allow the adhesive to cure before pressurlting the -
<br /> system- /
<br /> Taper one end of a piece of pyo at least as long as the dam-
<br /> aged section. This taper will be used as a gauge. Cut this 1
<br /> Apply
<br /> nipple to the proper length in the following steps. Ends of
<br /> to Cut
<br /> t Pyipe.e.
<br /> Glued Areas
<br /> To determine the Insemon length of The tapered ends, move
<br /> one of the couplings to the side and use the end of the repair
<br /> nipple made in the previous step to determine the dry fit Into
<br /> each bell. (Nett The dry fit must be very tight i.e. use ad- 1 -
<br /> ddonalforcetodinsthe.JoMt together rightly mough that Is M,n 1 . BFH-3=30C -CTC
<br /> a difficult to separate.) The taal length of the repair nipple Full Coupng 3' Kiat
<br /> is detennhned by adding these two measurements to the dis- Gap SAVE ON FUEL
<br /> tante between the sleeve coupli gs and then adding that"
<br /> makeup dimensions from table below. Repay Araa >W
<br /> This added len is needed due to additional insertion that 3' Max 420 W . YOSEMITE AVE .
<br /> length Repair Haff-Coupling Centered Over Hole Gap
<br /> axon because the adhesive acts m a lubricant Caution: /
<br /> This additional will onal insertion be greater if a tight dry M m
<br /> is not Moderate damage (under 3 Inches (75 mm) In length) MANTE CA CA. 95337
<br /> achieved when measuring. ' SCALE:
<br /> DATE : 6-8-2021 REPAIR PG . 2 OF 2 AS NOTED
<br /> I Ell
<br /> y CGR S CGRS , INC .
<br /> 1 " Min
<br /> 5444 DRY CREEK ROAD
<br /> If Coupling SACRAMENTO , CA . 95838
<br />
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