ADDN/ALTN AND SPECIAL REPAIRS TO SECURITY WALL OF TARAGINI

Amount

Demolition of concrete in ground floors and pavings n exc. 15cm thick (below or above ground level) or coping complete

M&L for cement concrete 1:2:4 , Type B2 usin 40mm graded crushed stone aggregate as in foundations, filling and mass concrete complete all as specified and directed

Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed

M&L for rendering 15 mm thick on old fair faced brick or concrete surfaces in cement mortar 1:4, finished even & smooth without using extra cement complete all as specified and directed.

M&L for rendering 10 mm thick on old fair faced brick or concrete surfaces in cement mortar 1:4, finished even & smooth without using extra cement complete all as specified and directed.

M&L for Preparation of new plastered surfaces of wall and applying two coats of weather proof (antifungal, Asian Ultima Protek or equivalent brand of other approved manufacturers) paint over a coat of suitable primer comcomplete all as specified and directed.. Note:- (i) The paint shall be duly applied through authorised company applicator of approved manufacturer using modern tools and techniques all as specified and as directed. (ii) The second coat shall be applied only after obtaining approval for first coat from Engineer-in-charge.

S&F Concertina coil of 610 mm diameter made out of 2.6mm dia spring steel wire 230gm/m2 (Min) dipped with corosion preventive fluid (rusilo 901) of castrol make white in colour, each coil having a minimum 50 turns (circles) and an average weight of not less than 8.57 Kg (plus or minus 5%) including handle and spike at both end of coil erected in position on top of mild steel angle by fixing with GI clip for securing including necessory welding to the MS Section and as per manufactures instruction complete all as specified and directed..

S&F Galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. complete all as specified and directed. Note:- Each line wire to be measured.

S&F Mild steel posts and struts in fencing post including tops to shape as directed, drilling holes, notching for wire, etc flat iron filets ( for securing wire mesh etc) including all necessary drilling, bolting or riveting, etc and similar work conforming to Fe-209 Gde E-165 complete all as specified and directed.

M&L Mild steel screw bolts (machine made) with hexagonal or square heads at one end secrewed the other, or screwed the both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long dia of neck 11 to 15mm complete all as specified and directed.

S&F MS galvanised chain link fencing 3.25 mm dia, 40 mm x 40mm mesh including line wires, weight not less than 3.25 Kg/ Sqm to any type of standards, rails, straining bolts, etc including provision of binding wire complete all as specified and directed.

S&F MS round bars 10mm dia for strengthening of chain link fencing including making necessary hooks and inserting in fencing complete all as specified and directed.

M&L for Preparation of old plastered surfaces of wall and applying two coats of weather proof (antifungal, Asian Ultima Protek or equivalent brand of other approved manufacturers) paint over a coat of suitable primer complete all as specified and directed by manufacturer. Note:- (i) The paint shall be duly applied through authorised company applicator of approved manufacturer using modern tools and techniques all as specified and as directed. (ii) The second coat shall be applied only after obtaining approval for first coat from Engineer-in-charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for and incl fencing etc complete all as specified and directed

M&L for 50mm thick PCC 1:2:4 type B2 (using 40mm graded stone aggregate) finished even and smooth without using extra cement for laying roof surface complete all as specified and directed

M&L Providing, cement concrete 1:2:4 type B-1 with using 20 mm graded stone aggregate as in roof kerbs or mud stops, rounded or chamfered on edges,beds etc complete all as specified and directed.

M&L Taking down / removing old tarfelt, preparation of roof surfaces by using wire brushing and cleaning including flashings and junctions of parapet/chajjas etc. roughening the surface and applying evently a coat of blown grade hot bitumen 85/25 @ 1.2 Kg/Sqm conforming to IS 702 heated to a working temperature of 180̊ C and applying oil bound bitumen primer @ 0.25 Kg/Sqm and provn of water proofing treatment to roof slab using 4 mm thick APP modified water proofing membrane weighing not less than 4.00 Kg/Sqm reinforced with one woven polyester mat weighing not less 160g/Sqm having softening point not less than 140 degree centigrade longitudinal tensile strength not less than 650 N/Sqcm, tearing strength of 180 N (Min),a static puncher resistance of 180,torch application including minimum 10 cm side over lap & 15 cm end overlap, applying evently a coat of blown grade hot bitumen 85/25 @ 1.2 Kg/Sqm conforming to IS 702 heated to a working temperature of 180̊ C and finishing surface with solar reflective bituminous aluminium paint @ 0.10 Kg/Sqm all as specified in clause 11.40.3.3 of SSR Part I complete all as specified and directed.

M&L in repairs Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS.1161- 1979 grade St.-240 connecting plates etc complete all as specified and directed.

S&F 0.5 mm thick Galvalume sheets on 'Z' angles with necessary gutters all around and with RW down take pipes supported on GI clamps with SDST screws of 12Gx14 TPI 5.5mm (L) all as shown in TD drg TD/A/2020/02 sheet No 01/01 and as directed by Engineer in charge. Note :- (i) The quoted rate inclusive of the rate of SDST screws. (ii)RW down take pipes shall be mwasured and paid separately.

S&F Galvanized Z sections (Z shaped GI subgirt of size 50x50x50 - 2mm thick as in purlins fixed on RCC slab with fastner of 10mm dia and 40mm long all as shown on TD drawing No. TD/A/2020/02 Sheet No 01/01 complete all as specified and as directed by the Engineer in Charge. Note :- The quoted rate shall be inclusive of the cost of fastner and SDST screws complete and these shall not be measured separately.

M&L for pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with nut & bolt / self tapping screws complete all as specified and directed.

S&F in repairs Mild Steel flat iron in roofs as wind ties incl securing bolts and all necessary drilling , bolting or reveting etc; conforming to Fe-29 Gde E-165 complete all as specified and directed.

M&L for Preparation of new Steel Surfaces of any description, over 10 cm in width or girth, and applying two coats of Synthetic Enamel paint over a coat of Red Oxide Primer complete all as specified and directed.

S&F in repairs PVC Eaves Gutters , Heavy duty, half round 200 mm dia complete all as specified and directed.

S & F in repairs PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls 110 mm Bore complete all as specified and directed.

S & F in repairs PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls 75 mm Bore complete all as specified and directed.

S&F in repairs PVC (SWR) bend any radius 75 mm dia including jointining with solvent cement. .

S&F in repairs PVC (SWR) bend any radius 110 mm dia including jointining with solvent cement. .

M&L for Re- treatment of existing expansion joints in roof as per manufacturer's specifications & recommendations and as directed & instructed by Engineer-in-charge as per following sequence:- (a) Cleaning and breaking the plaster on edges as required up to required depth, removing existing expansion joint material. (b) Provide 25mm thick Hydrocell XL the joint filler all as per manufactureres (M/s FOSROC) instruction. (c) Provide and apply one part low modulus gun grade elastomeric Polyurethane sealant Nitoseal PU 40 to the joints size maximum of 25mm width x 12mm depth over the polyethylene backer rods as bond breaker. (d) Supplying and providing un reinforced Flexible Polyolefin (FPO) based waterproofing membrane Fosroc Expoband One of width 100mm, thickness 1mm membrane fixed at both ends using Nitobond PC40 epoxy bonding adhesive and laid loosely at middle in the expansion joint. (e) Water proofing tape to be anchored using epoxy adhesive for a width of 37mm on either side of the joint and leaving 25mm in the centre for allowing necessary movements. The tape shall be protected with metal cover plaster on the top of floor finishing or tiles over the terrace slab to avoid punctures to the waterproofing tape. Note:- (i)The quoted rate shall be for all the above procedures including all materials, labours, tools & tackles etc. as per manufacturer's specifications. (ii) The chemical / products manufactured by M/s FOSROC is specified in the items . However Contractor can incorporate equivalent product of other manufactureres approved by E-in-C with prior approval of Accepting officer.

M&L for rendeing 10 mm thick on concrete/brick surfaces in CM 1: 4 finished even and smooth without using extra cement with WPC as per manufacturers instructions. Note:- WPC shall be measured and paid separately. The dosage of WPC shall be as per manufactureres instruction.

Supply only Liquid water proofing compound

M&L for destruction of growth of weed plants with roots on the roof of bldgs and on the wall of bldgs at any height with 2.40 'D' oil mixed veedicides or mixed with veedol chemical solution and sprayed in and around roots and at places of possible growth of weeds all as directed by the Engineer-in-charge. Note:-(i) In case of plants that has trees like growth, the plant should be cut to avoid damages to roof/wall and rest to be treated with chemical solution (ii) After treatment, area shall be cleaned off all debris branches dead plant, (iii) Quoted rate shall for cutting plants incl Height upto 12 storey building incl all necessary scafolding ,seafty arragements etc complete.

M&L for Mild steel brackets (for supporting XLPE cable in shafts or in similar situations) fabricated from structural steel sections including nuts, bolts, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and as directed.

Supply, laying or fixing or passing through MS brackets, commissioning, jointing and testing of PVC XLPE insulated, Screened, PVC bedded, Galvanized steel strip or wire armoured heavy duty, electric power cable 1100 volts grade with stranded aluminium conductor of size 16 sqmm 4 core including suitable size lugs, thimbles:- Note:- Excavation & earth work, sand cushioning, bricks protection & GI pipe where required shall be measured & paid separately under relevant items.

All as per Item No. 34 above but of size 25 Sqmm 3.5 Core

All as per Item No. 34 above but of size 35 Sqmm 3.5 Core

All as per Item No. 34 above but of size 50 Sqmm 3.5 Core

All as per Item No. 34 above but of size 70Sqmm 3.5 Core

All as per Item No. 34 above but of size 95Sqmm 3.5 Core

All as per Item No. 34 above but of size 150Sqmm 3.5 Core

Supply and fixing , cable straight through jointing kit for 1.1 KV (Earthed) grade cable, heat shrink epoxy type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 35 sqmm complete all as specified and as directed.

All as per Item No.41 above but of size 50 Sqmm 3.5 Core

All as per Item No.41 above but of size 70Sqmm 3.5 Core

All as per Item No.41 above but of size 95Sqmm 3.5 Core

All as per Item No.41 above but of size120Sqmm 3.5 Core

All as per Item No.41 above but of size150Sqmm 3.5 Core

All as per Item No.41 above but of size 16Sqmm 4 Core

All as per Item No.41 above but of size 25Sqmm 4 Core

Taking down existing MS brackets for cable supports fixed to RCC / Masonry wall / roof and re- fixing the same after preparation of surface and applying two coats of black paint over a coat of primer complete all as specified and directed. (Note:- (i) The quoted rate shall include provn of necessary bolts Nuts and clamps etc if any required additionally complete. (ii) The total length of bracket (not length of members) shall be considered for payment and nothing extra will be allowed at a later stage.

M&L for taking down existing cable of any type and size from the bracket and refixing the same on the brackets with clamps/ cable ties etc complete all as specified and directed by Engr-in - Charge. Note for item 49 & 50:- The contractor shall visit the site before quoting the bid to assess the size of bracket / site condition etc

Chittoor Engineering Industries

M-TECH ENGINEERS