Roof Treatment and Re-Wiring of officers Mess at NCC Nagar in SVU Campus, Tirupati

Removal of plastering from the existing wall surface and racing out joints up to 200mm deep, carefully and clearing away all the debris to low level areas around the building/site etc., complete for finished item of work as per standard specifications and as directed during execution.

Providing impervious coat to exposed RCC roof slab surface with CM(1:3), 40mm thick average with 1kg of water proof compound per bag of cement laid over roof when it is green including cost of all materials, including conveyance charges of all materials and including all operational, incidental and labour charges for mixing mortar, laying, rendering smooth and thread lining, curing, rounding off junctions of wall and slab etc,, complete for finished item of work confirming to APSS and as directed during execution.

SPECIALISED FIVE LAYER SYSTEM OF WATERPROOFING TREATMENT TOTHE TERRACE WITH MIXGUARD HR5 System . Providing and laying five layers waterproofing cum heat reflective treatment (MIXGUARD HR5 or equivalent) over the old / new roof slab/ terrace, all as directedby Department Engineer-in-charge with the following specification and should be complain with the following technical parameters for the system - Density: 1.3 Gm/cc, Solids content: 68% ± 2% byweight, Elongation at break ASTM D 638: 200% (for the system), Adhesion to substrate ASTM D 4541: >1.5 N/mm2, Water penetration DIN 1048: no leak at 7 bars, Tear resistance ASTM D 1004-76: 17N/mm2, Tensile strength ASTM D 412- 87:6.0N/mm2 a ) First Layer - Supply and Apply penetrative cum bonding primer as base primer cum sealer coat using MIXPRIMEAC100 or equivalent modified with waterand cement at the ratio 2:1:3 (MIXPRIME AC 100 : water : cement) by volume with a slow speed mixer machine. This compound shall be applied with sufficient thickness to cover the holes/pores/cracks @ 1.000 Liter / SQM (0.350 Lt of MIXPRIME AC100 / SQM) and the raw primer should be complain with ASTM 4541 and the Solid content 49% +2% b ) Second Layer – Supply and apply of 2 x2 mm welded with alkaline resistant coated / non-woven 40 Gsm verging fiber mesh MIXMAT GFM 50 or equivalent for a minimum over lap of 100 mm embedded in the primer coat c ) Third Layer - Supply and apply of bonding cum water tight acrylic high viscous white primer MIXPRIME AC or equivalent @ 0.250 Kg / SQM (dilution or modification not recommended) should be complain withDensity: 1.1gm/cc, Solids content: 50 % ± 2% by weight, Elongationat break ASTM D 638: >300%, Adhesion to substrate ASTM D 4541: >1 N/mm2, Tensile strength ASTM D 638: >1.5 N/mm2, Reduction in chloride ion ingress: 94%@28 days d )

Fourth Layer – Supply and apply of high elastomeric acrylic waterproofing cum weather proof high viscous white liquid membrane MIXGUARD HR or equivalent @ 0.500 Kg / SQM (dilution or modificationnot recommended) should be complain with Density: 1.30 gm/cc , Solids content: 68% ± 2% by weight, Elongation at break ASTM D 638: 400%, Tensile strength ASTM D 412: 1.8N/mm2, Adhesion to substrate ASTM D 4541: >1 N/mm2, Water penetration DIN1048: no leak at 7 bars (+ve side), Water vapor transmission ASTM E96: 19g/m2/day, Crack bridging ASTM C836: No cracks up to 2mm thick. E ) Fifth Layer - Supply and apply of fiber reinforced flexible high bride pure acrylic modified waterproofing cum heat reflective high viscous white liquid membrane MIXGUARD HRXtra or equivalent @ 0.500 Kg / SQM (dilution or modification not recommended)Density: 1.3 gm/cc Solids content: 68% ± 2% by weight, Elongation at break ASTM D 638: 200% , Adhesion to substrate ASTM D 4541: >1.3 N/mm2, Water penetration DIN 1048: noleak at 7 bars, Tear resistance ASTM D 1004-76: 15N/mm2 , Tensile strength ATM D 412-87: 3.0N/mm2, Solar reflectance –ASTM G173 – 92 %, Water vapor transmission ASTM E 96 – 19 Kg / M2 / day. Note: - 1 ) No dilution or modification recommended for item No.b,c,d and e . 2 ) All materials should be procured as perthe consumption with respect of the work order. 3 ) The application should be carried out byan approved agency. ) The contractor should provide 5 years material warrantee from the Manufacturerand 5 year warrantee from the applicator or combine

Brick masonry 230 mm thick for panel walls in superstructure with CM (1:4) prop. ( cement : sand ) using second class bricks of size 23 X 11 X 7 cm from approved source having crushing strength not less than 35 Kg / Sqcm. including cost and conveyance of all materials like cement, sand, bricks, water etc., to site sales & other taxes on all materials and all operational, incidental and labour charges such as mixing cement mortar, scaffolding charges, constructing masonry, lift charges, curing, etc., complete for finished item of work for external walls . (APSS No. 501 & 504).

Plastering 20mm thick in two coats with base coat of 16mm thick in CM (1:6) and top coat of 4mm thick in CM (1:4) with dubara sponge finishing including cost and conveyance of all materials like cement, sand, water etc., to site and all other taxes on all materials, and operational, incidental charges and all labour charges for mixing mortar, finishing, scaffolding, lift charges, curing, including cutting grooves etc. as directed by Engineer-in-charge, complete for finished item of work (APSS No. 901 & 904) for uneven faces of walls for external surfaces of brick walls

Supply annd fixing of 110mm dia PVC rain water down take pipes of approved brand including bends, shoes fixed in position with clamps including cost and conveyance of all materials and operational charges, incidental charges and labour charges etc, complete for finished item of work and as directed during execution in all floors

SPECIALISED ACRYLIC CEMENTITIOUS ELASTOMERIC WATERPROOF COATING TREATMENT Complies with ASTM C 297 : Providing and Application of two coats of Acrylic cementitious elastomeric waterproof coating with - WATERSHIELD COAT PC or Equivalent like high elastomeric acrylic polymer modified cementiitious waterproof system, including cost and conveyance of all materials to work site and all operational, incidental, labour charges etc. complete for finished item of work as per SS 911and as directed during Execution in all Floors.

SPECIALISED INJECTION GROUTING WITH CEMENT AND FREE FLOW ADDITIVES : a].Drilling of holes with power drilling machine to the required depth [12mm to 14mm dia holes] b].Fixing of Rubber Nozzles with cement and quick setting, Rapid hardening compound putty - Rapidstrong qs or equivalent. c].Grouting of holes with 140 PSI Grout pump with cement slurry mixing with Specialized Free flow, Non-shrink Grout additive - 250 Grams per bag of 50 KgsCement add required water to make slurry form. d].After completion of grouting, Remove the Rubber nozzles e]. Later sealing of the hole with polymer cement putty, including cost and conveyance of all materials to work site and all operational, incidental, labour charges etc. complete for finished item of work as per SS 911and as directed during Execution in all Floors.

Painting to existing old plastic emulsion painted walls with 1 coat of plastic emulsion paint of approved brand and shade after thoroughly brushing the surface to remove all dirt and remains of loose powdered materials, including cost and conveyance of all materials to work site and all operational, incidental, labour charges etc. complete for finished item of work as per SS 911 for internal walls.

Supply and Fixing of ISI 20mm outer dia medium (1.55mm thickness) grade with IS:9537 part 3 regid PVC pipe on surface of wall with PVC Junction boxes and all accessories fixing on chromium plated metallic base saddles including Supply and Fixing of suitable size Decolam board for fixing flush type switches for Light, Fan and separate plug point including all labour charges etc., complete. (Data No. 23-24-1.1.1)

Supply and laying of ISI 20mm outer dia medium (1.55mm thickness) grade with IS:9537 part 3 regid PVC pipe consealed in wall with PVC junction boxes and all required accessories including masonary work for light, fan and separate plug point with supply and fixing of suitable size well seasoned wooden deep box including all labour charges etc., complete.(Data No. 23-24-4.1.1)

Wiring with run of 2 of 14/0.3mm (1.0 Sqmm) FRLS / HFFR PVC insulated flexible ISI mark copper cable in existing PVC conduit pipe including Supply and fixing of Jumbo Ceiling rose and 6A/10A ISI Mark 1way Modular switch with required modular box and cover frame in existing Surface or Concealed pipe wiring including cost and conveyance of all material and all labour charges etc., complete for light and bell points in N.R.B.(Data No.11.1.1)

Wiring with run of 3 of 14/0.3mm (1.0 Sqmm) FRLS / HFFR PVC insulated flexible ISI mark copper cable in existing PVC conduit pipe including Supply and fixing of Jumbo Ceiling rose and 6A/10A ISI Mark 1way Modular switch with required modular box and cover frame in existing Surface or Concealed pipe wiring including cost and conveyance of all material and all labour charges etc., complete for fan and exhaust fan points in N.R.B.(Data No.11.1.2)

Supply and fixing of 6A/10A ISI Mark 3/2 pin Modular socket with 6A/10A 1way Modular switch, 3 Module box with cover frame on a Common switch board including cost and conveyance of all materials and all labour charges etc., complete in N.R.B. / R.B. (Data No.12.1.1)

Supply and fixing of ISI mark 16A 3pin / 6A 3 Pin 1 way Modular combi socket, 16 Amps Modular switch, 3 Modular box with suitable cover frame and earth connections including cost and conveyance of all material and all labour charges etc., complete in N.R.B. / R.B. (Data No.12.1.4)

Supply and fixing of 3 Nos 6A ISI mark Modular type switch with 3Nos 6A 3/2 pin wall plug socket on suitable size Modular deep box with cover frame including cost and coveyance of all material and all labour charges etc., complete for Computers in N.R.B. / R.B. (Data No.12.1.5 )

Supply and Run of 2 of 36/0.3mm (2.50 Sq.mm) with Run 1 of 22/0.3mm (1.5Sqmm) FRLS / HFFR PVC insulated flexible ISI mark copper cable in existing pipe for run of mains inlcuding all labour charges etc., complete.(Data No.13.1.10)

Supply and Run of 2 of 56/0.3mm (4.00 Sq.mm) with Run 1 of 36/0.3mm (2.5Sqmm) FRLS / HFFR PVC insulated flexible ISI mark copper cable in existing pipe for run of mains inlcuding all labour charges etc., complete.(Data No. 13.1.11)

Supply and fixing of 4 Way TPN DB Horizontal with IP 43 Protection as per IS:13032 and suitable for 12 Nos S.P. out goings and for 1 No 4 pole Incommer with 1 No 100A FP Isolator and 12 Nos 6-32 A 10kA SP MCBs of including internal connections and labour charges for SURFACE / FLUSH Mounting etc., complete. (Data No.17.1.1)

Supply and transportation of following XLPE insulated, 1100V grade armoured aluminum cable as per specification confirming to IS:7098 (Part - I)./1554-I Makes: As per list of recommended brands as category I.95 Sq mm X 3.5 core(R&B SSR ELEC 23-24-4.1.1(K))

Fabrication Supply and Errection L.T Panel board mounted on wall based side clamp.The size of the L.T Panel board 1200 mm x600mm x 250 mm with side clamping for fixing on wall mounting. In this panel contians 14nos of 2 pole 40 AMps MCCB and 8 Nos of 40 Amps 4 Pole MCCB for outgoings and 1 No of 200 Amp 3 Pole MCCB for Incoming with 100 AMP Copper bus bar R.Y.B phase and Netural (black) with earth connectionand Internal Incoming and Outgoing coneections .The box is fabricated by No 14SWG CRCA sheet with welding hangs, Double door locking arrengements with 7 tanks cleaning process with one coat of reoxide and two coat of rust proof enamel coating.(Rate As per local Enquiry)

Supply of 16" (400mm) Wall mounted Fan. Makes: As per list of recommended brands. (R&B SSR ELEC 23-24-5.1.6)

Supply, transportation and fixing of36 W Recessed / Surface mounting 2' x 2' (600x600 mm) LED luminaire made of CRCA sheet housing with powder coated with acrylic diffuser, constant current driver as per IS: 15885 (Part 2/ Sec 13) : 2012 , with operating voltage range of 150 to 265 Volts AC, P.F > 0.9, Surge protection: 2KV, THD<10%, with high power LEDs, having System Efficacy of > 120 lumens / watt, CCT: 3000K - 5700K, minimum CRI>70, .etc., complete with earthconnection and not less than two years warranty. Makes: As per list of recommended brands as category I. (R&B SSR ELEC 23-24-3.8.20(a))

Providing independent earthing by exacavating a pit to a depth of 2.25Mtr in all soils as per size specified in the data for Sophisticated Electronic equipment with 600mm x 600mm x 3.15mm thick copper plate rigidly fixed to 40mm dia 'B' Class G.I Pipe of 2.5Mtr length as per National Electric Code and earth connection from electrode Copper strip of 25mm x 5mm x 200mm length to be bolted with nut bolts to G.I.pipe including 25mm x 3mm copper strip of 6Mtrs length connected from plate to Copper strip including filling with 20Kg Salt and 40Kg Charcoal or 40Kg bentonite powder and providing 18" dia 18" height 3" thick hume pipe ring covered with R.C.C. Slab including all accessories and labour charges etc complete as per IS specification 732/1982 (Part II).(Data No25.1.3 )