Water Proofing Treatment on roof of Govt. Resi. Qtrs. in Sect. No. 23 under Jail-3 Sub Dn, PWD Bhopal

Water Proofing Treatment on roof of Govt. Resi. Qtrs. in Sect. No. 23 under Jail-3 Sub Dn, PWD Bhopal

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Bill of Quantities (BOQ)

Probable Amount of contract :

(Rs. in Figures) : Rs. 47.00 Lacs

(Rs in words) : Rupees

Time Alloved : 6 months

For thickness of tiles 10 mm to 25 mm

For thickness of tiles above 25 mm and upto 40 mm

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

Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used) modified Cement slurry made with non shrink compound in concrete/RCC work

Stirrer mixed SBR Polymer (of approved make) modified Cement slurry made with Shrinkage Compensating Cement in concrete/RCC work.

Epoxy injection grout in concrete/RCC work of approved make

SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2)

12 mm average thickness

25 mm average thickness in 2 layers.

50 mm average thickness in 3 layers.

proofing compound conforming to IS : 2645 and approved by Engineer-in-Charge to required slope and treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs. c) After two days of proper curing applying a second coat of cement slurry using 2.75kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-Charge. d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement: 4 sand) admixed with water proofing compound conforming to IS: 2645 and approved by Engineer-in-charge including laying glass fibre cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300x300 mm square 3mm deep. e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test. All above operations to be done in order and as directed and specified by the Engineer-in- Charge: (with 5 years service guarantee) With average thickness of 120mm and minimum thickness at khurra as 65 mm.

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)

Providing and laying APP (Atactic Polypropylene Polymer) 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).

shield or equivelent with mix proportion of part 1 and part 2 with proper mixing. Allow the coating to air cure for minimum 2 Hrs. Consumption of the diamond shild or equivelent should be @17.90 kg for 10sqm area. (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 High build elastomeric, flexible, pure acrylic waterproofing membrans having solid content of 65%) and allow it to air cure for 4 Hrs minimum. After two hours minimum of 1st coat applying 2nd and final coat 120-140 micron of sealer coat and allow it to air cure for 4 Hrs minimum. Consumption of Sealer coar should be @ 5.40 kg per 10 sqm. area. (IV) The treated aarea should be cure with water for 48 hrs. by flooding the surface. (V) The final appearance of the coating will be milky white. All above operations to be done in order.

at break of 600% as per ASTM D412 and tensile strength of 3.0 N/mm2 as per ASTM D412. The operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as recommended by the manufacturer’s specification and direction of Engineer-in-Charge.

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

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 dia. nominal bore

50 mm dia. nominal bore

Concealed pipe including painting with anti corrosivebitumastic 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

With C.I. wheel of approved quality (screwed end)

25 mm nominal bore

32 mm nominal bore.

40 mm nominal bore

25 mm nominal bore

32 mm nominal bore.

40 mm nominal bore

50 mm nominal bore

15 mm nominal bore

20 mm nominal bore

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

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)

On steel work

On concrete work

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

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

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.

Note – Including other item ( if required ) of SHEDULE OF RATES (SOR) For BUILDING

WORKS in force from January 1st, 2024, of PROJECT DIRECTOR M.P. Public

Works Department (P.I.U.) M.P.BHOPAL ( Volume- I & II )

Sub Engineer Sub Divisional Officer Executive Engineer P.W.D. Sec. No. 23 Jail-3 Sub Division P.W.D. New Bhopal Division P.W.D. Bhopal Bhopal Bhopal