Traditional material used for manhole covers in India is cast iron, ductile iron, steel fibre reinforced concrete, RCC etc.

Now we have developed EVERLAST: Composite Manhole Covers, Circular Manhole Covers, Square Manhole Covers, Round Manhole Covers, Frames & Square Gratings, which are being used in USA, Europe, Middle East, etc... since many years.

Range of EVERLAST Composite Manhole Covers can be used in various applications such as inspection chambers for sewerage, underground Electrical Cabling, Telecom Cabling, Water, Gas and Petroleum Installations, Beautification of Gardens and Landscapes. EVERLAST Composite Gratings can be used for roadside water entrance chambers, roadside gratings and also road crossover gratings which can take load of urban traffic. These composite gratings are best suited for swimming pool applications also.

It has its own advantages over traditional materials.

Advantages:

• 100% waterproof, Weatherproof, Corrosion free material.
• ZERO SCRAP VALUE hence it is Burglarproof.
• High strength to weight ratio hence light weight & easy to handle.
• Can be made in decorative surface designs even with Logo & different granite finishes.
• Good temperature resistance from -40°c to 80°c Centigrade.
• Good life span, i.e. more than 30 years.
• Can be designed to take load from 1.5 ton to 40 ton.
• Standard designs conforming to IS: 1726-1991 are 2.5, 10, 20 & 35 ton & EN-124 are 1.5, 12.5, 25 & 40 ton.

Sizes and load capacity
Everlast: composite manhole covers with frame.

Sr. No.	Size	Grade Designation	Test Load
1	Dia 530 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
2	Dia 600 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
3	Dia 750 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
4	450x450 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
5	450x600 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
6	450x900 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
7	600x600 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
8	600x900 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
9	600x1200 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
10	900x1200 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton
11	1200x1200 mm	LD-2.5 MD-10 HD-20 EHD-35	2.5 Ton 10 Ton 20 Ton 35 Ton

Recommended locations conforming to load capacity as per IS:1726-1991 & EN-124
LD-2.5 (Light Duty-Test load-2.5 Ton)
Suitable for use within residential and institutional complexes, areas with pedestrian but occasional Light Motor Vehicle traffic. These round and square manhole covers are also used for 'Inspection Chambers'.

MD-10 (Medium Duty-Test load – 10 Ton)
Suitable for use in service lanes, roads on pavements for use under medium-duty vehicular traffic including for car parking areas.

HD-20 (HEAVY DUTY-Test load-20 Ton)
Suitable for use in institutional, commercial areas, carriage, city trunk roads, bus terminals with heavy duty vehicular traffic of wheel loads between 5 to 10 ton.

EHD-35 (EXTRA HEAVY DUTY-Test load-35 Ton)
Suitable for use on carriageways in commercial, industrial, port areas, warehouses with frequent vehicular traffic having wheel loads up to 11.5 ton like heavy trucks, trailers.

Sizes and load capacity
Everlast: Composite Gratings with frame.

Sr. No.	Size	Grade Designation	Test Load
1	450x450 mm	LD-2.5 MD-10 HD-20	2.5 Ton 10 Ton 20 Ton
2	500x600 mm	LD-2.5 MD-10 HD-20	2.5 Ton 10 Ton 20 Ton
3	600x1170 mm	LD-2.5 MD-10 HD-20	2.5 Ton 10 Ton 20 Ton

Size Selection, Handling & Installation Size Selection: Clear opening of the frame should not be smaller than that of Chamber

Handling: Everlast composite manhole covers, frames & gratings have very good load carrying capacity. Transportation and handling at the time of installation should be made carefully to avoid damage of corners & edges.

Installation Procedure:
a) Prepare concrete bed considering height of frame. b) Frame should be embedded in 300 x 200 mm of minimum M—20 grade concrete. c) Make sure that top level of frame should match with the road.

Gratings from Everlast Composite Pvt. Ltd. offer lasting performance and are widely installed in building and infrastructure. These composite gratings outperform gratings made up of traditional materials such as cast iron, ductile iron, steel etc., on mechanical properties. Improved performance, durability, low weight and ease of installation, thermal insulation and stability are a few of the benefits of these composite square gratings. Combinations of such characteristics have led a way to utilization of composite square gratings in a wide array of applications.

Advantages:

• Corrosion free
• Thermal insulation and stability
• ZERO SCRAP VALUE hence it is Burglarproof.
• High strength
• Light weight & easy to install Can be made in decorative designs & in different finishes
• Good temperature resistance
• Good life span