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Unified Standard S.O.R.

WATERPROOFING OF STRUCTURES

As recommended in

INDIAN RAILWAYS UNIFIED STANDARD SPECIFICATIONS

(WORKS & MATERIALS)

&

S.O.R.

SURFACE PROTECTON OF JACK ARCH ROOFS


S.O.R.

Item

No.

Description of Item

Waterproofing

Compounds

(from Eastern Railway

Unified Standard Analysis Of Rates)

109010

Jack arch roofs

(with cementitious waterproofing compound)




Surface protection of jack arch roofs with cementitlous waterproofing compound incl. reinstating missing or loose tie rodsat end bays of arches (at extra cost); removing existing tarfelt and other damaged waterproofing systems; replacing soft or damaged lime terrace, if at isolated locations, with cement concrete (1:2:4); sealing cracks on the roof surface with sealing compound of acrylic-styrene copolymer having density of 0.9, pH 7.0 to 8.0 and having excellent bond & waterproofing properties and a minimum expandability of at least 200%; providing a 10 mm thick cement-sand (1:4) plaster on the entire surface; curing for 7 days; waterproofing the surface with a two-layer plaster; the first layer shall be 5 mm thick with cement (OPC or slag), admixed with an octadecanoic acid based cementitious waterproofing compound In the weight ratio of 50:3 for cement and waterproofing compound; and second layer of 12 mm thick cement-sand (1:4) plaster, enriched with polyester fibre and curing the plastered surface [polyester fibre to be paid under separate item)


PERMANAR

and

PERMAKAR 3




PERMANAR :

Requirement : 0.09 litre/sqm (approx.)


PERMAKAR 3 :

Requirement : 0.60 kg/sqm


109020

Jack arch roofs

(with polymer)





Surface protection of jack arch roofs with polymer incl. reinstating missing or loose tie rods at end bays of arches (at extra cost); removing existing tar felt and other damaged waterproofing systems; replacing soft or damaged lime terrace, if at isolated locations, with cement concrete (1:2:4); sealing cracks on the roof surface with a sealing compound of acrylic-styrene copolymer; waterproofing the surface with three coats of the acrylic-styrene copolymer, admixed with an octadecanoic acid based cementitious waterproofing compound in the weight ratio of 3:1 to build up a thickness of about 1.0 mm; spreading dry coarse sand on the third coat when wet; finally providing a 6 mm thick cement-sand (1:4) plaster enriched with polyester fibre and curing (polyester fibre to be paid under separate item)


PERMANAR

and

PERMAKAR 3




PERMANAR :

Requirement : 0.10 for crack + 0.50 for coating = 0.60 litre/sqm


PERMAKAR 3 :

Requirement : 0.15 kg/sqm




WATERPROOFING OF STRUCTURES

As recommended in

INDIAN RAILWAYS UNIFIED STANDARD SPECIFICATIONS

(WORKS & MATERIALS)

&

S.O.R.

ï‚· TUNNELS, BASEMENTS, WATER RESERVOIRS AND OTHER

WATER RETAINING STRUCTURES ï‚·


S.O.R.

Item

No.

Description of Item

Waterproofing

Compounds

(from Eastern Railway

Unified Standard Analysis Of Rates)



Tunnels, basements, water reservoirs and other

water retaining structures



109030


--- point leak and construction joint


Arresting water leakages at isolated locations (points of leakage), at cracks and at construction joints with a putty of cement (OPC or slag), modified with a cementitious quick setting compound in a weight ratio of 1:10 (1 part compound : 10 parts cement) and modified with a silica waterproofing compound having the properties of making cement quick setting and non-shrinking in quantities to suit the water pressure conditions at the site and finally topping the plugged material with a surface waterproofing treatment (to be paid separately)

PERMAKAR 1

and

PERMAKAR 4


PERMAKAR 1:

Requirement : 0.40 kg/each Point Leak and 1.20kg/metre of Construction joint


PERMAKAR 4 :

Requirement : 0.095 kg/each Point leak and 0.32 kg/metre of Construction joint

109031


For Leakage points



109032


For Construction joints



109040




--- surface treatment


Water proofing surface treatment inside walls and floors of water reservoirs, swimming pools, sunken slabs/toilet floors and inside of basements, etc. by cleaning the surface; preparing the surface by acid etching; treating the surface with a two layer plaster; the first layer shall be 7/6 mm thick with octadecanoic acid based cementitious waterproofing compound and cement in the weight ratio of 3:50 for waterproofing compound and cement; cement-sand (1:2 on floors of basements and tunnels, 1:3 elsewhere) plaster (12 mm thick on floor, 8 mm thick on vertical surfaces and at ceiling) and curing the plastered surface

PERMAKAR 3


PERMAKAR 3 :

Requirement : 0.72 kg/sqm for inside of tunnels, basements and toilets and 0.84 kg/sqm for water reservoirs and other water retaining structures where treatment will be in direct contact with water


109041


Inside Tunnel Surface



109042


Inside Water Reservoir




WATERPROOFING OF STRUCTURES

As recommended in

INDIAN RAILWAYS UNIFIED STANDARD SPECIFICATIONS

(WORKS & MATERIALS)

&

S.O.R.

ï‚· ROOFS AND SIMILARLY EXPOSED CONCRETE SURFACES ï‚·


S.O.R.

Item

No.

Description of Item

Waterproofing

Compounds

(from Eastern Railway

Unified Standard Analysis Of Rates)


Buildings


109050



Roofs and similarly exposed concrete surfaces

(with cementitious waterproofing materials)


Water proofing of roofs and exposed concrete surfaces by cleaning and preparing the surfaces by acid etching; treating it with a two-layer plaster; the first layer 5 mm thick with cement (OPC or slag), admixed with an octadecanoic acid based cementitious waterproofing compound in the weight ratio of 50:3 for cement and waterproofing compound; finally providing a 12 mm thick cement-sand (1:4) plaster, enriched with polyester fibre, and curing the plastered surface; the treatment shall be impermeable under a waterhead of 20.0 metres, (polyester triangular fibre and removal of existing damaged waterproofing system, PCC, Lime Terracing etc., if any, to be paid extra under separate item)


PERMAKAR 3


Requirement : 0.60 kg/sqm for roofs and similarly exposed surfaces above ground, other than water retaining structures


109060

Roofs and similarly exposed concrete surfaces

(Polymer treatment for roofs)


Water proofing of roofs and exposed concrete surfaces using polymeric waterproofing compound by cleaning and drying the surface; applying two coats (DFT of 200-300 micron) of translucent brown coloured phenolic resin based single component high performance polymeric waterproofing compound @ 0.6 litre per square metre, with demonstrable properties of resistance to water and acid; spraying a layer of dry coarse sand on the second coat when still wet; removing excess sand on the following day; permitting the coatings to cure and dry naturally for 3-7 days; providing a 12 mm thick cement-sand (1:4) cover plaster; curing the plaster; the treatment shall be impermeable under a waterhead of 20m (removal of existing damaged waterproofing system, PCC, Lime Terracing etc., if any, to be paid extra under separate item)


PERMAPROOF


Requirement : 0.60 litre/sqm for roofs and similarly exposed surfaces above ground, other than water retaining structures



WATERPROOFING OF STRUCTURES

As recommended in

INDIAN RAILWAYS UNIFIED STANDARD SPECIFICATIONS

(WORKS & MATERIALS)

&

S.O.R.

ï‚· ROOFS AND SIMILARLY EXPOSED CONCRETE SURFACES ï‚·


S.O.R.

Item

No.

Description of Item

Waterproofing

Compounds

(from Eastern Railway

Unified Standard Analysis Of Rates)


Buildings


109070

Drain Mouth on roof


Making Drain mouth on roof waterproof by cleaning the surface of the structure at the location of drain mouth; lowering the drain mouth to the level of the concrete roof; chipping; thorough cleaning; mixing thoroughly an octadecanoic acid based cementitious waterproofing compound in the weight ratio of 50 cement (OPC or slag) and 3 waterproofing compound; placing the drain mouth in its final position, followed by filling of the annular space around the drain pipe with a paste of waterproofing compound-cement; sealing the edges of the drain mouth with acrylic-styrene based copolymer waterproofing compound


PERMAKAR 3

and

PERMANAR


PERMAKAR 3 : Requirement : 0.20 kg/each drain (approx.)


PERMANAR : Requirement : 0.20 litre/each drain (approx.)


109080


Sealing of cracks in concrete roofs


Sealing of cracks in concrete roofs by making a V-shaped groove 8-10 mm wide and 3-5 mm deep; filling the groove with acrylic-styrene based copolymer waterproofing compound in water by repeated application of the waterproofing compound; spreading dry coarse sand when the last application of the sealing compound still wet; removing the excess sand on the following day and letting the treatment dry up for at least a day before any surface treatment on the roof


PERMANAR


Requirement : 0.20 litre/metre (approx.)


109090

Treatment of expansion joints


Treatment of expansion joints by cleaning the joint and surfaces abutting the expansion joint, applying two coats of primer on the cleaned surfaces at the opening of the joint, filling the joint (to a depth equaling half the width) with the paste of a two-component polysulphide based sealant (with base-curing agent weight ratio of 12.33:1 and a sp. gr. of 1.60±0.10 gms/cc, permitting the sealant to cure in natural air for at least a day, providing the edges of the treatment with two coats of a paste of octadecanoic acid based cementitious waterproofing compound and acrylic-styrene based copolymer waterproofing material in the weight ratio of 1:3


PERMASULPH

and

PERMAPRIME


PERMASULPH : Requirement : 1.20 kg/metre (for joint width of 37 mm)


PERMAPRIME : Requirement : 0.08 litre/metre (for joint width of 37 mm)



WATERPROOFING OF STRUCTURES

As recommended in

INDIAN RAILWAYS UNIFIED STANDARD SPECIFICATIONS

(WORKS & MATERIALS)

&

S.O.R.

ï‚· CONCRETE BRIDGES, CULVERTS AND SIMILAR STRUCTURES ï‚·


S.O.R.

Item

No.

Description of Item

Waterproofing

Compounds

(from Eastern Railway

Unified Standard Analysis Of Rates)



SURFACE PROTECTION OF BRIDGES



222350


Piers, Substructures and Box Bridges or Culverts in River Beds and Sidewalks


Surface protection of Piers, substructure, Box bridges and culverts in river bed by cleaning & preparing the surfaces by acid etching; treating surface with a two-layer plaster; first layer of 7 mm (5 mm in case of sidewalk) thick with cement (OPC or slag) admixed with an octadecanoic acid based cementitious waterproofing compound (Max. bulk density 0.5 gm/cc), in the weight ratio of 50:3 for cement and waterproofing compound; and second layer of 12 mm thick cement-sand (1:2.5) plaster, enriched with polyester fibre (to be paid separately) and curing the plastered surface. Treatment shall be impermeable under a waterhead of 20.0 metres (Note : In lieu of etching with acid the surface can be roughened or bond improved by other appropriate means.) complete as per specification

PERMAKAR 3


Requirement : 0.84 kg/sqm for piers, substructures and box bridges or culverts in river beds (0.60 kg/sqm for sidewalks)


222351

Piers, substructure, Box bridges and culverts in river bed


222352

Sidewalks



WATERPROOFING OF STRUCTURES

As recommended in

INDIAN RAILWAYS UNIFIED STANDARD SPECIFICATIONS

(WORKS & MATERIALS)

&

S.O.R.

ï‚· CONCRETE BRIDGES, CULVERTS AND SIMILAR STRUCTURES ï‚·


S.O.R.

Item

No.

Description of Item

Waterproofing

Compounds

(from Eastern Railway

Unified Standard Analysis Of Rates)



SURFACE PROTECTION OF BRIDGES



222360

Underside of bridge decks, Girders, Inside of Box Girders, Railings, etc. or bridges and Piers and Substructures which are not in River Bed


Surface protection of Underside of Bridge Decks, Girders, Inside of Box Girders, Railings, etc. of Bridges and Piers and Substructures which are not in River Bed by cleaning and drying the surface; repairing local defects, e.g. honeycombs with a paste of cement admixed with 5% by weight of cement of Polymer bonding agent, applying (@ 0.30 litre per square metre) a coat (DFT of 100-150 micron) of a translucent brown coloured modified phenolic resin based single component high performance polymeric waterproofing compound (sp. gr. 0.87, resin content nil and a solid content of minimum 0.47%), applying (@ 0.25 litre per square metre) a top coat of a modified phenolic resin based single component waterproofing compound of grey or other shades (sp. gr. 0.85) before the base coat becomes tack-free; permitting the coatings to cure and dry naturally; the 2-coat system shall be impermeable under a water head of 20.0 metres, complete as per specification

PERMAPROOF

and

PERMACIL-GA


PERMAPROOF :

Requirement : 0.30 litre/sqm for underside of bridge deck, railing, etc. of bridges and piers and substructures

PERMACIL-GA (or other shades) :

Requirement : 0.25 litre/sqm for underside of bridge deck, railing, etc. of bridges and piers and substructures


222370


Bridge Deck


Surface protection of Bridge Deck by cleaning and preparing the surface by acid etching; treating the surface with a two-layer plaster; first layer of 5 mm thick with cement (OPC or slag), admixed with an octadecanoic acid based cementitious waterproofing compound (bulk density not greater than 0.5 gm/cc) in the weight ratio of 50:3 for cement and waterproofing compound, further enriched with specially fabricated deformed galvanized steel fibre (@ 150 gm per square metre) of treated surface and second layer of 12 mm thick cement-sand (1:2.5) plaster, enriched with polyester fibre (to be paid separately) and curing the plastered surface. Treatment shall be impermeable under a waterhead of 20m complete as per specifications

PERMAKAR 3

and

KARFIB


PERMAKAR 3 :

Requirement : 0.60 kg/sqm for bridge deck


KARFIB :

Requirement : 150 gm/sqm for bridge deck



 
ENGINEERING SERVICES INTERNATIONAL
THE PIONEER IN SURFACE PROTECTION TECHNOLOGY FOR DURABLE CONCRETE STRUCTURES.
BC 96, Salt Lake City, Kolkata - 700064, West Bengal, India
Phone : 91-33-23375776/23375754/23213524
Fax : 91-33-23373082
Dr. Anil K. Kar (PhD (USA), BSc CE, MS (USA), FIE, FIPHE LFABI (USA), FIBA (UK), FASCE (USA))
Mobile : +919433304199
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