Tirumala Tirupati Devasthanams Tender

a). Ist Layer : Black coloured chemcial treatment : Providng and application of one coat of High bonding, flexible bituminous polyurethane blended bituminous coating with – Roofcare prc 5 systems Confiming to ASTM-G 154 -2000 or equavalent Ist Layer diluting with water at 1 : 1 ratio as a primer coat at a consumption of 200 ml per Sqm.

b). IInd Layer : Providing and laying of Fibre Mesh 40 GSM, with 1 Mtr width and 50 mm overlap on the primed surface.

c). IIIrd Layer : Grey coloured coating : Providing and application of one coat of Acrylic rubberized elastomeric flexible waterproof grey coating with – Roofcare prc 5 systems ASTM-C 836 or equavalent or equavalent diluting with 50% of water at a consumption of 400 ml per Sqm.

d). IVth Layer : white colured coating : Providing and application of one coat of High solid, cold applied, Fibre reinforced acrylic elastomeric waterproof membrane off white coating –Roofcare prc 5 systems Confiming to ASTM-G 154 -2000 or equavalent coating (add the water upto 200ml ) (Consumption of 350ml per Sqm ).

e). Vth Layer : super white reflective coating : Application of one coat of 100% pure acrylic solar reflective pure white coating with Roofcareprc 5 systems Confirming to ASTM -C 297 or equavalent solar refective coating diluting with 20% of water (Consumption of 300ml per Sqm ) .Note : THE ABOVE TREATMENT WILL BE GUARANTEED FOR 5 YEARS

Providing weather proof course (Over Second Floor Roof slab) with Screeding concrete in CC(1:2:4), 25mm average thickness using 6 to 10mm nominal size HBG crushed metal chips, screeding duly embedding 24G chicken mesh with necessary overlap etc.., and finishing the surface neatly and rounding the edges at parapet walls, columns etc.., excluding cost of chicken mesh but including cost and conveyance of all materials etc..., complete as directed during execution.

Providing impervious coat to exposed RCC roof slab (Over Second Floor Roof slab) surface with CM (1:3), 20mm thick with 500 ml of liquid concentraed micronized cement water proof compound/ 100 ml of integral cement water proofing admixture complies with IS:2645-2003 of approved make per of liquid of approved make per 50 kg bag of cement laid over roof when it is green including cost of all materials, conveyance charges of materials and 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.

Construction of Brick Masonry in C.M (1:6) using well burnt Bricks 2nd class or ground moulded (Non- modular or traditional size) (230 x 110 x 70 mm)including curing, cost and conveyance of all materials as directed during execution and complying with standard specifications etc., complete.

Plastering in C.M. (1:5) 20mm thick using best river sand from approved quarry including cost and conveyance of all materials, screening, curing, rounding of corners, incidental charges as directed during execution complying with standard specifications etc., complete.

Providing Unplasticized 110mm dia PVC SWR Rain water downfall pipes with110 mm dia PVC pipe with wooden block of size 150mmx50mmx50mm ISI:13592 Type -A mark with necessary shoes, bends, collars etc., including making holes in walls, RCC slabs, beams, columns, including fixing with necessary wooden plugs (where it is required pipe clear of wall, wooden blocks of size equal to that of ears of the pipe shall be used), screws, iron clamps of 18 G and making good the same including cost and conveyance of all materials and incidental charges etc., complete as directed during execution

SPECIALISED POLYSULPHIDE / POLYURETHANE / HIGHBRED ACRYLIC /SEALANT TREATMENT TO THE OLD / EXISTING EXPANSION JOINT IN THE TERRACE, COLUMN, BEAM.

1.Cut and remove the existing expansion joint in the screed for a minimum width of 200 mm and a depth of screed ( up to the mother slab) by using diamond disc cutting machine and dispose the debris as per the department instruction. All elevated kerb wall both sides of the expansion joint along with the top free laying slab, cover etc as per the site conditions under the scope of the main contractor / client. 2.Remove the existing filling for a minimum depth of 40 mm using sharp knife (approximate size 25x 40 mm) as per the site condition. 3.If the site condition allows to insert backer rod, remove the existing filling for a minimum depth of 70 mm from the top ( the clear filling of sealant should be 40 mm) and insert MixCELL R inside the joint. 4.Clean the surface with air blower up to receive a dust free surface and make sure the surface is sound dry or the moisture content is less than 5 %. 5.Apply one coat of Penetrative Primer MixPRIME SB 300 and allow touching dry.

6.Fill the MixFLEX AC in the joint by using a sealant gun / notch trowel as per site condition up to the required depth and width and allow to dry for a minimum period of 1 day as per the climatic condition. 7.Apply two coat of penetrative sealer coat site mixed primer MixPRIME AC100 - mix with portable water and OP Cement in the ratio of 2:1:3 (Two part MixPRIME AC100 : One Part water : 3 Part OP cement by using slow speed mixer machine with paddle for a period of 2 to 3 minutes up to receive a homogeneous mix) @ 1.000 Liter per SQM in the entire screed removed portion ( vertical and horizontal faces) of 200 mm along with saturated ( saturated with MixPRIME AC100: Water: OP Cement in the ratio of 2:1:1) MixFELT P50 in between the two coats and allow to cure for a period of 6 hours. 8.Do the necessary levelling plastering with cement sand mortar 1:2:4 (6 mm aggregate) screed along with the addition of MixBOND SBR Super and PLAST FIBER 3S as per the following for a minimum thickness of removal. a.Mix the MixBOND SBR Super @ 2 Liter / Bag Cement in the ratio of 1:4 Mortar ( Pre mix the admixture in the portable water for preparing the mortar) b.Add 100 Gram PLASTFIBRE 3S in the above liquid and stirred well with a slow speed drill with paddle. c.Prepare the cement sand screed in the ratio of 1:2:4 with above prepared liquid for the suitable consistency. d.Necessary curing and drying for a minimum period of 4 days. 9.In wet condition, provide a dummy expansion joint on the top of the screed for a minimum size of 10 x 10 mm by using sharp trowel 10.Apply one coat of Penetrative Primer MixPRIME SB 300 in the entire surface of the dummy joint and allow to touch dry for a period of 30 minutes. Fill the MixFLEX AC in the joint by using a sealant gun / notch trowel as per site condition up to the required depth and width .

aggregate) screed along with the addition of MixBOND SBR Super and PLAST FIBER 3S as per the following for a minimum thickness of removal. a.Mix the MixBOND SBR Super @ 2 Liter / Bag Cement in the ratio of 1:4 Mortar ( Pre mix the admixture in the portable water for preparing the mortar) b.Add 100 Gram PLASTFIBRE 3S in the above liquid and stirred well with a slow speed drill with paddle. c.Prepare the cement sand screed in the ratio of 1:2:4 with above prepared liquid for the suitable consistency. d.Necessary curing and drying for a minimum period of 4 days. 9.In wet condition, provide a dummy expansion joint on the top of the screed for a minimum size of 10 x 10 mm by using sharp trowel 10.Apply one coat of Penetrative Primer MixPRIME SB 300 in the entire surface of the dummy joint and allow to touch dry for a period of 30 minutes. Fill the MixFLEX AC in the joint by using a sealant gun / notch trowel as per site condition up to the required depth and width.

Procedure for MixGUARD HR5 Waterproofing System – 500 mm width:: 1.Apply one coat of penetrative sealer coat site mixed primer MixPRIME AC100 - mix with portable water and OP Cement in the ratio of 2:1:3 (Two part MixPRIME AC100 : One Part water : 3 Part OP cement by using slow speed mixer machine with paddle for a period of 2 to 3 minutes up to receive a homogeneous mix) @ 1.000 Liter per SQM as per the porosity of the prepared mother slab by using roller brush / hand brush / Sprayer and allow to dry for a period of 6 to 8 Hrs after the laying of tensile reinforcement mat. 2. Lay the MixMAT GFM70/50 (as per site condition) on the top of MixPRIME AC100 in the wet condition. In such a way place the MixMAT GFM 70/50 on the prepared surface and applied the slurry over also obtain the same technical property. 3. Apply one coat of penetrative primer MixPRIME AC @ 0.250 Liter per SQM by using roller brush / hand brush / sprayer and allow drying for a period of 6 Hrs. 4. Application of Base Coat Water Proofing System with MixGUARD HR @ 0.500 Kg / SQM by using roller brush / hand brush / sprayer and allow to dry for a period of 6 Hrs. 5. Application of Top Coat Water Proofing System with MixGUARD HR Xtra @ 0.500 Kg / SQM by using roller brush / hand brush / sprayer and allow to final curing for a period of 2 to 3 days with ROOFSEAL PS, MixFLEX AC, ZORISEAL PS, POWR n SEAL PS, NITOSEAL PS 200, WATERSEAL PS or equivalent compline with BS 5254, ASTM C 834, ASTM C 1253, ASTM D 4541, ASTM D 1117, ASTM D 5729.

Note: - 1.No dilution or modification recommended except item no 7,8 and 1 in HR5 System. 2.The all materials should be procure as per the consumption with respect of the work order. 3.The application should be carried out by an approved agency. 4.The contractor should provide 5 years material warrantee from the Manufacturer and 5 year warrantee from the applicator or combined 5.The all civil work such as cutting ( elevated kerb wall with slab), removing cleaning and screed with cement sand and aggregate including all materials and labours should be under the scope of the main contractor / client as per the site condition and our requirement to complete the expansion joint treatment as per the BOQ / Tender document.

Supply of G.I.Plain sheet of 1.20 mm thick (16 gauge)