WPT including necessary repairs Water supply drainage installation and other allied civil works in Residential and other buildings under PWD. City Sub Dn. No.2 Bhopal.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix).

Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix).

For thickness of tiles 10 mm to 25 mm

For thickness of tiles above 25 mm and upto 40 mm

Cement mortar 1:4 (1 cement : 4 sand)

Cement Mortar 1:6 (1 cement : 6 sand)

Painting top of roofs with bitumen of approved quality @ 17kg per 10 sqm impregnated with a coat of sand at 60 cudm per 10sqm including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete :

With residual type petroleum bitumen of grade VG 10

In 75x75mm deep chase

75 mm diameter (minimum wall thickness 1.8mm)

110 mm diameter (minimum wall thickness 2.2mm)

Coupler

75 mm (minimum wall thickness 1.8mm)

110 mm (minimum wall thickness 2.2mm)

Single push fit Coupler :

75 mm (minimum wall thickness 1.8mm)

110 mm (minimum wall thickness 2.2mm)

Single tee with door

75x75x75 mm (minimum wall thickness 1.8mm)

110x110x110 mm (minimum wall thickness 2.2mm)

Single tee without door

75x75x75 mm (minimum wall thickness 1.8mm)

110x110x110 mm (minimum wall thickness 2.2mm)

75 mm bend (minimum wall thickness 1.8mm)

110 mm bend (minimum wall thickness 2.2mm)

Shoe (Plain)

75 mm Shoe (minimum wall thickness 1.8mm)

110 mm Shoe (minimum wall thickness 2.2mm)

75 mm (minimum wall thickness 1.8mm)

110 mm (minimum wall thickness 2.2mm)

Stone ware spout

Upvc spout (Pipe dia.110 mm)

1:4 (1 cement : 4 sand)

1:6 (1 cement : 6 sand)

1:4 (1 cement : 4 sand)

1:6 (1 cement : 6 sand)

1:3 (1 cement : 3 sand)

1:4 (1 cement : 4 sand)

Neat cement punning

G.I. chicken mesh as per ISI specification and in the required width with 50mm long Bombay nails before plastering upt 10 meter height.

Providing and fixing fibre mesh of 145 GSM weight in required width with cement mortar before plastering upto 10m height.

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

On steel work

On concrete work

One coat.

Two coats.

With cement mortar 1:4 (1 cement : 4 sand)

with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.

Internal work - Exposed on wall

15 mm nominal outer dia .Pipes.

20 mm nominal outer dia .Pipes.

25 mm nominal outer dia .Pipes.

32 mm nominal outer dia .Pipes.

40 mm nominal outer dia .Pipes.

50 mm nominal outer dia .Pipes.

Concealed work including cutting chases and making good the walls etc.,

15 mm nominal outer dia .Pipes.

20 mm nominal outer dia .Pipes.

25 mm nominal outer dia .Pipes.

32 mm nominal outer dia .Pipes.

15 mm nominal outer dia .Pipes.

20 mm nominal outer dia .Pipes.

25 mm nominal outer dia .Pipes.

32 mm nominal outer dia .Pipes.

40 mm nominal outer dia .Pipes.

50 mm nominal outer dia .Pipes.

Internal work - Exposed on wall

15 mm dia. nominal bore

20 mm dia. nominal bore

25 mm dia. nominal bore

32 mm dia. nominal bore

40 mm nominal outer dia .Pipes.

50 mm nominal outer dia .Pipes.

concealed pipe including painting with anti corrosive bitumastic paint, cutting chases and making good the wall.

15 mm dia nominal bore

20 mm dia nominal bore

External work : including trenching and refilling etc.

15 mm dia. nominal bore

20 mm dia. nominal bore

25 mm dia. nominal bore

32 mm dia. nominal bore

40 mm nominal outer dia .Pipes.

50 mm nominal outer dia .Pipes.

etc. with cement concrete 1:2:4 (1 cement : 2 sand : 4 graded stone aggregate 20 mm nominal size) including finishing complete so as to make it leak proof.

Making hole upto 20x20 cm and embedding pipes upto 150 mm diameter in masonry and filling with cement concrete 1:3:6 (1 cement : 3 sand : 6 graded stone aggregate 20 mm nominal size) including disposal of malba.

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

50 to 80 mm nominal bore

Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below ground level for under ground structures as directed by Engineer-in-Charge consisting of:

(i) Ist layer of 22mm to 25 mm thick approved and specified rough stone slab over a 25mm thick base of cement mortar 1:3 (1 cement: 3 sand) mixed with water proofing compound conforming to IS: 2645 in the recommended proportion over the levelling course ( levelling course to be paid separately). Joints sealed and grouted with cement slurry mixed with water proofing compound.

(ii) 2nd layer of 25mm thick cement mortar 1:3 (1 cement: 3 sand) mixed with water proofing compound in recommended proportions.

(iii) Finishing top with stone aggregate of 10mm to 12mm nominal size spreading @ 8 cudm/sqm thoroughly embedded in the 2nd layer. (with 5 years service guarantee) Using rough Kota stone.

Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified stone slab 22 mm to 25mm thick with cement slurry mixed with water proofing compound conforming to IS:2645 in recommended proportions with a gap of 20mm (minimum) between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of stone slab with cement mortar 1:3 (1 cement : 3 sand) 20 mm thick with neat cement punning mixed with water proofing compound in recommended proportion complete at all levels and as directed by Engineer-in-charge (with 5 years service guarantee) Using rough Kota stone.

cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30cm on parapet wall and tucked into groove in parapet all around.

Cement concrete 1:2:4 (1 cement : 2 sand : 4 graded stone aggregate 20 mm nominal size)

Cement mortar 1:3 (1 cement : 3 sand)

Cement mortar 1:4 (1cement : 4 sand)

On steel work

On concrete work

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 350/300 N/ 5cm. Tear strength in longitudinal and transverse direction as 60/80N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacture of membrane.

(with five years service gurantee).

2mm (for corrugated roof sheets)

Joint strength in longitudinal and transverse direction at 23°C as 350/300 N/5cm. Tear strength in longitudinal and transverse direction as 60/80N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : (with 5 years service guarantee)

Providing and laying APP ( Atactic Polymer) Polypropylene modified prefabricated five layer 3mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 ltr/sqm. by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ltr and viscosity 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 in longitudinal 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. The laying of membrane shall be got done through the authorised applicator of the manufacturer

of membrane: (with 5 years service guarantee).

(i) Surface preparation roughening of surface, opening cracks in ‘V’ groove in size of 5mmX10mm (WXD), filling of cracks with putty with laying fiber glass mesh, Cleaning of surface by scrubbing with steel wire/Nylon brush. Removing all dust particles and washing with adequate water to clean completely.

(ii) Providing and applying 1st coat of fibre glass mesh (minimum thicknes 70-80 micron) and two component flexible waterproof and protective modified mortar, dry powder 80%chemical 20% acrylic resin having 30% solid contents) with mix proportion of part 1 and 2 with proper mixing with laying of fiber glass mesh (of weaving size of 10X10 yarn/inch duly coated with alkaline resistant polymer). Allow the coating to air cure for minimum 2 Hrs. After two hours of 1st coat applying

2nd coat (minimum thickness 100 micron) of fibre glass mesh of with mix proporation of part 1 and 2 with proper mixing. Allow the coatingto air cure for minimum 2 Hrs.

After two hours of 1st coat applying 2nd coat (minimum thickness 100 micron) of fibre glass mesh of with mix proporation of part 1 and 2 with proper mixing. Allow the coating to air cure for minimum 2 hrs. Consumption of two component should be acrylic resin @17.90 kg for 10 sqm area or as per manufacture instructions. (After two coats of diamond shield, surface is to be cured properly minimum for 4 hrs. before application of third coat).

(iii) Providing and applying 1st coat of sealer coat 50-60 micron (single component Hight build elastomeric, fixable pure acrylic waterproofing membrane having solid content of 65%) and allow it to air cure for 4Hrs. minimum. After two hours minimum of 1st coat

applying 2nd and finals coat 120-140 micron of sealer coat and allow it to air cure for 4 Hrs mimimum. Consumption of Sealer coat should be @ 5.40 kg per 10 sqm area.

(iii) The treated area should be cure with water for 48 hrs. by flooding the surface.

The final appearance of the coating will be milky white. All above operations to be done in order.(five years guarantee)

(i) Removal of damaged waterproofing treatment if any like bituminous membrane / plaster/ brick bat koba/screeding etc. (ii) Surface preparation: Roughening of surface by scrubbing with steel wire/ Nylon brush/ Removing all dust particles and washing with adequate water to clean completely, opening of cracks in 'V' groovein size of 5mm x 10m (WxD), filling of cracks with elastomeric creak filler/PU sealent repair of potholes and holor

making on roof surface by polymer mortar with adding SBR bonding agent.

(iii) Providing and applying 1st coating of rubberized elastomeric liquid membrane as primer (ratio 1:2 1 part liquid membrane and 2 part water) by brush/ Roller/ Spray having minimum thickness of 70-80 micron. Allow the coating to set in natural air for minimum2 hrs, then put reinforcement by laying 45gsm fibre glass mesh and

applying 2nd coat of rubberized elastomeric liquid membrane (Ratio: 1 part membrane and 20% water) with minimum thickness 100-120 micron. Allow the coating to set in natural air for minimum 12 hrs.

(iv) Providing and applying 3rd coat of rubberized elastomeric liquid membrane (Ratio: 1 part membrane and 10% water). Total DFT (Dry film thickness) thickness after 3rd coat must be 280-300 micron and consumption in three coats @ 6.5kg for 10sqm

(v) Providing and applying 4th and 5th coat of High quality waterproof membrane in white colour, single component special synthetic resin based flexible thixotropic white color coating with excellent UV resistance (SRI - 144) with more than 300% elongation (confirming ASTM D 412-98) in ratio: 1 part membrane and 10% water thickness of 200 micron DFT in two coats, with average consumption @ 5kg per 10 sqm. After application of fourth coat let it air dry for minimum 3 hrs before application of fifth coat.

(vi )The treated area must be tested for water leakage/seepage by flooding with water for 48 hrs

(vii) Application of membrane coating shall be got done by authorized applicator of manufacturer

(viii) 5 years of service guarantee to be provided. All above operations to be done in order as per direction on Engineer-in-Charge.

Providing & applying crack fill paste for crack filling up to 5 mm cracks.Widen the crack by putty knife in V/U shape & apply 1st priming coat of crack fill paste diluted with water in 1:1 proportion over the crack by brush. Apply 2nd coat with filling of crack fill paste when the surface is tacky but not dried completely with putty knife & spatula.After 4 hours of application 2nd coat apply 3rd coat

of Crack fill paste. The work shall be carried out as recommended by the manufacturer’s specification & the direction of the Engineer-in-Charge

Providing and applying of swellable type water stop tape, 19mm x 25mm thick in linear meter (expansive nature) for construction joints treatment of RCC structure such as raft slab, retaining walls,water storage tank and at the junctions of raft slab with the retaining walls etc. Aftercleaning the surface, one coat of required primer for swellable water stop tape shall be applied throughout the length of the joint @3.78 litre per 240 running meter. Over the primed surface swellable type water stop tape shall be placed. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. Theproduct performance shall carry guarantee for 10 years against any leakage.

Sub Engineer Sub Divisional Officer Executive Engineer

P.W.D Civil line Section I P.W.D City Sub Dn II P.W.D Maint. Dn I

Bhopal Bhopal Bhopal

(mailto:[email protected]塹ᴻ䡿ⲯ嶂藄挧ꮥ)

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WPT including necessary repairs Water supply drainage installation and other allied civil works in Residential and other buildings under PWD. City Sub Dn. No.2 Bhopal.