Rashtriya Chemicals And Fertilizers Limited-RCF has published Membrane Waterproofing And Misc. Allied Works At Central Workshop Building In Rashtriya Chemicals And Fertilizers Limited Factory At Thal, Dist. Raigad. Membrane Waterproofing And Misc. Allied Works At Central Workshop Building In Rashtriya Chemicals And. Submission Date for this Tender is 25-01-2022. Chemical Supply Tenders in raigad Maharashtra. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Item Description |
| 2 | Dismantling of existing bitumen membrane/ tarfelt layers, overburden if any without damaging the concrete surface of rcc roof ,includiing removing scaling ,stains of old waterproofing treatment cleaning the roof concretesurface by machanical wire brush etc.,lowering and disposal of the debris to the site as directed up to 3 kmlead with in factory premises complete as directed. |
| 3 | Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black/both side plain finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.25 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/5cm. Tear strength inlongitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. |
| 4 | Providing & applying 2 coats of aluminium bitumen paint orpmbm top coating as per manufacturer’s specification and/oras directed by eic complete. |
| 5 | Providing and fixing UV resistant selffit UPVC pipes150mm dia of approved make for Rainwater downtakes confirming to IS 13592:1992 Type A suitable for 4kg/sqcm pressure for following pipe diameters including rain water receiving recess with pvc plug bend necessary fittings such as offsets shoes, fixing the pipes on wall with clips filling the joints with solvent/cement and necessary scafolding etc. complete as directed by Engineer In Charge. |
| 6 | Galvanised iron sheet 1 mm (20 B.W.G.) eaves precoated gutter 200 mm to 230 mm wide and 100 mm to 125 mm deep moulded or half round girth upto 600mm including iron rods, on the edges (throughout the length) and galvanised iron sheet ferrules with fixtures, for outlets wherever required clamped using W.I. clamp 38 mm x 3mm fixed 1.0 m C/C including making necessary connections with rain water pipes etc complete and as directed. |
| 7 | Providing and fabricating structural steel work in rolled sections like joists, channels, angles, tees etc. as per detailed designs and drawing including fixing in position without connecting plates, braces etc. and one coat of anticorrosive paint and over it two coat of oil paintings of approved quality and shade complete . |
| 8 | Providing and fixing 6 mm thick Non-asbestos,color coated (Top Surface coated with exterior grade acryllic emulsion paint and bottom shall be natural grey finish), reinforced by organic fibres and/or inorganic synthetic fibres, cement corrugated sheet & ridges of approved make conforming to IS: 14871-2000 laying the same in position as per the stipulation in IS: 3007-1991 using 8mm dia stainless steel (SS-304 Grade) L or J hook bolts, clamps, nuts and bolts, SS &EPDM washers,etc. complete and as directed. (Net Area covered by sheeting including ridges will be measured. Laps will not be paid separately). |
| 9 | Chipping off and removing loose concrete from damaged concrete portion of columns, beams & slabs etc manually by using chisel and low impact hammer, breaker to expose the soundconcrete. Including making the surface free from loose material, dirt etc. |
| 10 | Removing cement or lime plaster of any thickness including disposing of the spoils as directed with all leads, lifts, complete. |
| 11 | Providing & applying One coat of Alkaline Rust convertor ("Feovert" or equivalent) to exposed existing rebars after removing & cleaning loose rust by wire brush and leave it for 6-8 hours. |
| 12 | Providing and applying polymer modified, ready mixed, cementmicro concrete/plaster of any thicknessas per site requirement of approved brand including curing etc. as per manufacturer"s specificationsor as per instructions of engineer in-charge (the items shall be paid on actual consumption of micro concrete /plaster only). Including polymer-cement bond coat of same manufacturer etc. as directed by eic and including necessary m.s. pipe scaffolding. |
| 13 | Providing and applying 20 mm thick sand faced cement plaster by using ready-mix mortar ("Aerocon" of HIL or equivalent) at all levels & locations in two coats for masonry (except stone masonry) and concrete surfaces including racking out joints, hacking of concrete surface, finishing, curing, scaffolding etc. complete. |
| 14 | Providing and applying 10 mm thick sand faced cement plaster by using ready-mix mortar ("Aerocon" of HIL or equivalent) at all levels & locations in single coats for masonry (except stone masonry) and concrete surfaces including racking out joints, hacking of concrete surface, finishing, curing, scaffolding etc. complete. |
| 15 | Providing and laying in position plain cement concrete of Nominal Mix of1:1.5:3grade (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal sizecement with trap / granite / quartzite / gneiss metal) mixing in concrete mixer including bailing out water, compacting, finishing surface, curing and including the cost of centering and shuttering at all level. |
| 16 | Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge. |
| 17 | Providing and injecting, Stirrer mixed, Acrylic Polymer modified Cement grout ( polymer of approved make @ 2% of weight of cement used)made with non shrink compound in concrete/RCC work in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in Charge. (The payment shall be made on the basis of actual weight of approved grout injected.) |
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