SPECIAL REPAIRS TO BUILDINGS P-10 AND P-06 AT BV YARD, BUILDING 119 AT MI ROOM OF INS VENDURUTHY AND REPAIRS TO INTERNAL PIPE LINES/ FITTINGS/ WATER TANKS AT MO(K), AT NAVAL BASE KOCHI

Amount

Dismantling single layer Mangalore pattern roofing tiles including ridges complete all as specified and as directed.

Dismantling plain or corrugated steel sheeting, any guage, thickness including Nainital or similar pattern roof covering complete all as specified and as directed.

Dismantling timber scantlings under 40 Sq cm in section for unframed work in fillets, rails, posts, rafters, purlins etc, in unframed works complete all as specified and as directed.

All as per item No 3 here-in-before but over 40 Sq cm in section complete all as specified and as directed.

Dismantling boarding, any description, fixed in any position with nails complete all as specified and as directed.

Dismantling battens for tiles, shingels etc spaced exc 15cm of any size incl tilting fillets complete all as specified and as directed.

M&L for IInd class hard wood scantlings clean sawn 40 Sq cm and over in section in unframed work complete all as specified and as directed.

All as per item No 7 above but except timber complete all as specified and as directed.

M&L for IInd class HW plain fillets square or rectangular in section clean sawn, secured with nails, but bullnosed, splayed, chamfered or rounded on one edge or face area exc. 13 and n.exc 25 Sqcm complete all as specified and as directed.

All as per item No 9 above but except fillets complete all as specified and as directed.

M&L for Rolled sections (Tublar sections) as in main and cross beams, hip and jack rafters; purlins , wall framing ,where connected to common rafters and fixed with angle cleats or other connecting plates complete all as specified and as directed.

S&F 0.63 mm thick galvanised corrugated mild steel sheeting with two corrugation side lap, fixed with L-hook or cranked bolts complete all as specified and as directed.

S&F prepainted galvalume zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall fixed with self tapping screws complete all as specified and as directed.

S&F prepainted galvalume zinc coating GI based plain steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall fixed with self tapping screws complete all as specified and as directed.

Taking down eaves gutters and rain water pipes of any size or any pattern including all fittings complete all as specified and as directed.

S&F 200 mm dia of half round/ RECTANGULAR ready made eaves gutter of pressure rating 6 Kg/cm2 of approved make including necessary fitting like bend WC/ MS clips etc complete all as specified and as directed.

S&F 150 mm dia of PVC (SWR) pipe single socketed in any length with rubber joints including necessary fitting like bend WC/ MS clips etc fixed on walls complete all as specified and as directed.

Dismantling structural steel work including doors , gate, such as brackets for rain water pipe, gutter, gate etc.complete all as specified and as directed.

M&L Cement concrete Type B1 1:2:4 (20mm graded aggregate ) in levelling coarses of concrete in roof slab/beam,floors complete including WPC as per specified and directed.

M&L for preparation of new Surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of anti corrosive Epoxy paint over a coat of Epoxy primer, over a coat of red oxide on steel surfaces complete all as specified and as directed.(Make-Asian Apcolite or Equivalent from Berger, Nerolac)

Taking down of existing roof treatment consisting of screed bed plaster tar felts etc and removal of dismantled materials complete all as specified and as directed.

M&L for removal of oil, dirt, laitance and other containments by manually and surface sall be fairly smooth finish. Injection of grouting of construction joints and honey combs if any with cementitious pressure grouting with 40 Psi pump using Cobex 100 or equivalent @ 225gms mixed to 50Kg bag of cement including joints packing using polymer modified mortar. Providing and applying pitch free polyurethene water proof coating using Fosroc Nitoproof 600 or equivalent, over dry surface at 1.5mm thick in 2 coats with interval period of 6 hours over a substrate at coverage rate of 2Kg/Sqm using spray/squeege/ roller/ brush. Water proofing coating shall have the elongation of 200% (ASTM D412-90, Tear resistance of >7N (ASTM D 624-00), and tensile strength of 1.5N/mm2 (ASTM D412-90) and it should have a solid content of 80-85% (The rate includes the application of the chemical with specialized agency or the manufacturer) complete all as specified and as directed. Note:- 1. All the right angle junctions between floor and wall shall be provided with coving of size 75mm x 75mm minimum 15mm thickness in cement mortar 1:4 admixed with Nitobond SBR @ 1 litres per 50 kg bag of cement after saturating the surface with water and applying a slurry primer coat with Nitobond SBR. 2.The annular space around the Rain water pipe shall be packed using Concentra GP2, a high strength free flow non shrink grout mixed water in ratio 0.16 The surface shall be suitably prepared using wire brush, primed with Nitobond SBR on the core surface fixing leak free form work as per manufacturer's specification 3. Water ponding for minimum 48 hours and 50mm height shall be done.

Notes for item No. 22 continued:- 4. Sprinkle fine aggregate straight after the application of Nito proof 600 PF to get the mechanical key for the protective plastering. 5. Screed to slope by providing batching mixing transporting through transit mixer pumping and lying controlled screed concrete of M20 grade of avg 75 mm thickness with a min thickness of 50 mm at drain points and slope of 1:150 or required as per site condition at all levels by admixing necessary admixtures complast WL or equivalent @ 150 ml per bag or cement and mixing graded fibrillated 100% virgin polypropylene fibers in concrete @ 0.9 kg / cum as per manufactures specification.

M&L for taking down of existing treatment and application of one coat of primer and allowed to dry overnight before applying first coat of acrylic exterior emulsion complete all as specified and as directed. Note :- Before application of primer coat, the moisture of the wall surface shall be checked with a moisture meter .

M&L for application of first coat of acrylic exterior emulsion on primed wall surface using rollers made from foam or synthetic fibres,to get a smooth and tint free surface and allowed to dry for at least 8 hrs/ overnight to receive second coat of acrylic exterior emulsion paint complete all as specified and as directed.

M&L for application of second coat of acrylic exterior emulsion paint on primed wall surface using rollers made from foam or synthetic fibres,to get a smooth and tint free surface complete all as specified and as directed.

M&L for preparation and taking down of existing treatment and applying two coats of Interior Emulsion (Asian Rayale interior enulsion) over a coat of primer and 3mm thick wall care putty ON wall complete all as specified and directed. Note:- Application of paint, primer and wall care putty shall be as per manufacturer's instruction.

M&L second class HW sectional area exc 5Sqcm and nor exc 15 Sqcm clean sawn batterns at 30cm centres for MP tiles complete all as specified and as directed.

M&L for three coats of creosoting to tile batterns any size and spacing prepared and treated all over (measured one side only spaces not deducted) complete all as specified and as directed.

S&F in repairs PVC rain water pipes 110mm dia including bend,elbow,iron brackets for fixing etc complete all as specified and as directed.

Supply and fix on wall/concealed on wall high pressure CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings including all necessay fittings, solvents of size 25 mm dia complete all as specified and directed. Make: Supreme/Eurotech /Astral/SFMC

All as per item No 31 here-in-before but of size 20 mm dia complete all as specified and as directed.

S& F CPVC Ball Valve of size 25 mm dia suitable for CPVC pipe incl necessary fittings complete all specified and directed. Make: Supreme/Eurotech /Astral/SFMC

All as per item No. 33 above but of size 20 mm dia complete all as specified and as directed.

Supply and fixing of bib tap CP, half turn with flange and areator, fancy type short body cast copper alloy with crutch or butterfly handle screwed for GI/cpvc pipe of size 15 mm and taking down old, complete all as specified and as directed by the Engineer-in-charge.(Make : Cera or prayag/hindware/Jaguar)

Supply and fixing of bib tap CP,half turn with flange and areator, fancy type long body cast copper alloy with crutch or butterfly handle screwed for GI/cpvc pipe of size 15mm and taking down old, complete all as specified and as directed . (Make : Cera or prayag/hindware/Jaguar)

Supply and fixing of CP Bip cock short body with flange and nozzle for garden/washing machine of size 15 mm including necessary fixing accessories with GI/CPVC pipes and taking down old unserviceble tape of any make , complete all as specified and as directed .(Make: CERA or PRAYAG /Jaguar)

Supply and fixing of two way bib cock ,half turn with flange and areator of size 15 mm and taking down old unserviceble cock of any make , complete all as specified and as directed .(Make : Cera or prayag/hindware/Jaguar)

M&L for repairs to concealed stop cock/ pillar taps/ bib taps/ angle valves of any make and type by replacing the brass spindle screws, nuts & caps etc. all as per site requirement complete all as specified and as directed..

Supply and fixing 15mm angle valve, half turn with flange type chromium plated for fixing accessories for for CPVC pipe and taking down old one, complete specified and as directed .(Make : Cera or equivalent of prayag/ hindware/Jaguar)

Supply and fixing of swivel overhead shower (minimum weight 40 grams) of PTMT any colour with shower arm (minimum weight 40 grams) 15mm size, 195 mm long with bend of 45 degree with flange for fixing with CPVC pipe and taking down old one,complete and all as specified and as directed .(Make : Cera or prayag/hindware/Jaguar).

Supply and fixing PVC connection pipe 16mm dia (outer 450mm long cold water and taking down old one complete with brass union on both sides to suit 15mm pipe, complete all as specified and directed .

Supply and fixing health faucet ABS body with wall hook and 1 metre SS braided rubber hose pipe ,all as per specified and directed (Make : Cera or of prayag/hindware/Jaguar).

Supply and fixing in pillar taps, half turn with areator, cast copper alloy with capstan heads chromium plated fancy type screwed down high pressure with or without lettered hot or cold with long screwed shanks and fly nuts screwed for iron pipe and fixed for 15mm bore pipe, and taking down old one, complete all as specified and directed by the Engineer-in-charge.(Make : Cera or prayag/hindware/Jaguar).

Supply and fixing CP angle cock, self closers/ pressmatic with wall flange for urinal pots to fixed in 20/15mm pipe, commplete all as specified and directed . (Make CERA or of Prayag/Jaguar).

Supply and fixing of Rotational moulded polyethylene water storage tanks 3 layer ISI marked (cylinderical vertical with closed top) hoisted & fixed in position of capacity 2000 liters incl top cover, inlet, outlet and washout connections, air pipe, over flow etc complete all as specified and directed. Make : Sintex (ISI)/ Polycon/Rotex

All as per item No.46 above but 1000 ltr capcomplete all as specified and as directed.

All as per item No.46 above but 500 ltr capcomplete all as specified and as directed.

S/F float valve synthetic(PVC) of size 40 mm dia high pressure with polythene ball of size 6" dia and flynut complete all as specified and directed.

S/F float valve synthetic(PVC) of size 20 mm dia high pressure with polythene ball of size 6" dia and flynut complete all as specified and directed.

S/F float valve synthetic(PVC) of size 15 mm dia high pressure with polythene ball of size 6" dia and flynut complete all as specified and directed

S & F in replacement rotate and lock type cover for over head water tank (HDPE) of capacity 500 Ltrs including taking down old unserviceble tank cover complete all as specified and as directed.

S & F in replacement rotate and lock type cover for over head water tank (HDPE) of capacity 1000 Ltrs including taking down old unserviceble tank cover complete all as specified and as directed.

S & F in replacement rotate and lock type cover for over head water tank (HDPE) of capacity 2000 Ltrs including taking down old unserviceble tank cover complete all as specified and as directed..

S & F in replacement rotate and lock type cover for over head water tank (HDPE) of capacity 5000 Ltrs including taking down old unserviceble tank cover complete all as specified and as directed.

Taking down existing u/s 25/20 mm GI/PVC/CPVC pipes from any height/surface/concealed and removing to store yard & making good the surface complete all as specified and as directed.

Taking down exsiting gate/stop/ball valves of 25/20 mm dia and removing to store yard complete all as specified and as directed.

Taking down existing PVC connections of any type & size and removing to store yard complete all as specified and as directed.

Taking down existing PVC water tanks from any height after dismantling of connections and removing to store yard of 2000 Ltrs capacity complete all as specified and as directed.

Taking down existing PVC water tanks from any height after dismantling of connections and removing to store yard of 1000 Ltrs capacity complete all as specified and as directed.

Taking down existing PVC water tanks from any height after dismantling of connections and removing to store yard of 500 Ltrs capacity complete all as specified and as directed.

Taking down exsiting float valves of 40/25/20 mm dia complete all as specified complete all as specified and as directed.

M & L for 4mm thick Non asbestos fibre cement building boards fixed or laid/ inserted to timber/GI/Aluminium framework with screws in ceiling incl anodised Aluminium snap grid of size 605x605 mm and GI hangers 6mm dia upto 1200 mm length including dismantling and removal of old material out of defence land.

WELTRONENGINEERINGSERVICES

Albert Rebello and Company

SUKU CONSTRUCTIONS