Heavey Water Board-HWB has published Replacement Of Roofing Sheets, Gutter And Rain Water Pipes At S.G-1 Boiler And Other Areas In Cpp At Hwpm Removing Of Damaged Roofing Sheets, Fixing With New Gi Profile Sheets Including Ridges And Gutter , Fixing Of Rain Water Pipes, Fixing Of Structu. Submission Date for this Tender is 31-10-2022. Shed Construction Tenders in Bhadradri Kothagudem Telangana. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 17-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 24-10-2022 |
| 2 | 24-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 31-10-2022 |
| Sl. No. | Item Description |
| 1 | Removing the GS/ AC/ NonAC/ FRP sheets at all heights (up to 30M)i.e. from roofing/ cladding etc., and stacking the serviceable materials & handing over the same to the sectional stores, disposal of debris to the dumping yard etc., all complete as per specifications and as directed by the Engineer in Charge. |
| 2 | Providing and fixing precoated galvanised iron profile sheets at all heights of TATA/JINDAL or approved make(size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 meter or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling / self tapping screws of size (5.5x 55 mm) with EPDM seal, or fixing with polymer coated "J" or "L" hooks, bolts & nuts 8mm dia. G.I plain/bitumen washersalong with wind ties complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required etc., all complete as directed by the Engineer in Charge. |
| 3 | Providing and fixing precoated galvanised steel sheet roofing accessories of Ridges(500-600MM) suitable for item no 2.1 at all heights of TATA/JINDAL or approved make of 0.50 mm total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 micronsusing self drilling/ self tapping screws or fixing with polymer coated "J" or "L" hooks, bolts & nuts 8mm dia. G.I plain/ bitumen washers complete as per specification and as directed by the Engineer. |
| 4 | Providing and fixing precoated galvanised steel sheet roofing accessories of gutter (600mm overall girth) plain and bends at all heights of TATA/JINDAL or approved make of 0.50 mm total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 micronsusing self drilling/ self tapping screws or fixing with polymer coated "J" or "L" hooks, bolts & nuts 8mm dia. G.I plain/ bitumen washers complete as per specification and as directed by the Engineer. |
| 5 | Fixing ofavailable Non AC/AC 6 mm thick corrugated sheets for roofing or cladding at all heights, up to any pitch and fixing with polymer coated J, or L hooks, bolts and nuts 8 mm dia. G.I. plain and bitumen washers or with self drilling fastener and EPDM washers etc. complete (excluding the cost of Non AC sheets, purlins, rafters and trusses), including cutting sheets to size and shape wherever required and removing of old damaged sheet etc., all complete as directed by the Engineer in Charge. |
| 6 | Providing and fixing Centrifugally cast (spun) iron socket & spigot pipe as per IS: 3989 for rain water collection from roof gutter at all heights including all fiitings & fixtures, jointing with cement, fixing with GI clamps to the adjacent structure, providing elbow at the bottom end of the pipe and removing of old damaged pipe and handing over to the sectional store etc., all complete as per specifications and as directed by the Engineer in Charge. |
| 7 | Providing, fabricating, transporting, erecting and fixing in position structural steel members of SAIL/ VIZAG/ JINDAL/ TATA make of sections like tubes, flats, angles, channels etc., at all heights and including cutting, grinding, welding where ever required, hoisting, fixing in position and applying two coats of synthetic enamel paint of approved make over a coatof red oxide primer etc., complete all as per the drawings, specifications and as directed by the Engineer in Charge. |
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