EE/BSNL/CD/SNR/26/2024-25

Amount

Sub-Head : Water proofing Providing waterproofing treatment of roof with Starproof WF MB 602 and WF SP 600 OR equivalent material as per recommended method statement i.e. - cleaning of slab with wire brush/grinding machine, repairing of surface /mud fuska with cement mortar mixed with SBR repair polymer appx 30% in ratio, filling the cracks with chemical mortar in ratio of cement /sand (1 cement:2 sand) and mixing 30% of SBR repair polymer. Filling all grooves completely with mortar and preparing 75x75mm fillets (golas) wherever damaged on vertical and horrizontal corners applying one bond coat of SBR mortar and applying mortar when the bond coat is still tacky. Glass Fiber Mesh to be used over golas preventing from possible leakages and then applying the first coat of WF MB 602 with spray system in one direction followed by second and 3rd coats of WF SP 600 Grey Color in other direction perpendicular to first coat. ( Contractor also has to submit the garauntee bond of seven years.)