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[...]Guard grate in accordance with DGUV regulation 103-007, rectangular, made from 1.4307 (AISI 304 L) stainless steel, universally applicable and retrofittable under manhole covers. Guard grate manufactured from angle profile, load-bearing up to 200 kg, with hinges and gas pressure spring for easy opening and closing. Support made of angle profile, for internal bolted fixing under the manhole cover. Guard grate for mounting under the manhole cover and above or next to the climbing system. Both grate and support are shielded arc-welded and acid bath cleaned before washing, drying and surface passivation[...]

[...]Fold-back entrance aid, made of 1.4307 (AISI 304 L) stainless steel For safety access ladders with 300 mm, 400 mm, 500 mm width. In accordance with DIN 3620. Note: The 1.1 m projection required according to DIN 19572 is not achieved with this design variant of the entrance aid. Completely shielded arc welded, acid-treated in a pickling bath and passivated. Options: 1.4404 (AISI 316 L) stainless steel[...]

[...]Combined Sewerage and Stormwater Treatment Protection of water bodies from polluted rainwater The advanced treatment of combined and stormwater in wastewater transportation systems is a main issue with regard to sustainable environmental and water protection. The building of new wastewater treatment plants and the upgrading or refurbishing continuous wastewater discharges has significantly increased the quality of many watercourses. Nevertheless, despite all efforts, ecological deficits still exist. Some of the problems are caused in the discharges of combined and separated sewers during storm [...]

[...]The combined sewer tunnel in Lisbon is a state-of-the-art infrastructure project that protects the city from flooding caused by heavy rainfall and drains urban wastewater during dry weather periods. In the past, extreme rainfall of up to 60 mm per hour repeatedly caused considerable damage in lower-lying districts of the city. The Túnel Monsanto-Santa Apolónia, the so-called ‘mega tunnel’, is the city administration's largest construction project to date and a central component of the urban climate adaptation strategy. With a length of exactly 4,975 metres and an internal diameter of 5.5 metres[...]

[...]Manhole cover, weatherproof, round in shape, completely made of 1.4307 (AISI 304 L) stainless steel. In accordance with DIN 1239:2018-4, suitable for use in Ex zone 1. The cover is made of 2 mm stainless steel plate, with a centrally raised profile, inner cross bracing for rigidity, self-retracting lock, stainless steel gas assisted spring damper, integrated arrestor which can only be undone by hand; robust, concealed hinges. A connection for potential equalisation is provided. The frame consists of an angle section with a circumferential insect-proof and totally weather-proof rubber seal (frost-proof[...]

[...]Manhole cover, weatherproof, rectangular in shape, completely made of 1.4307 (AISI 304 L) stainless steel. In accordance with DIN 1239:2018-4, suitable for use in Ex zone 1. The access cover is made of 2 mm stainless steel plate, with a centrally raised profile, inner cross bracing for rigidity, self-retracting lock, stainless steel gas assisted spring damper, integrated arrestor which can only be undone by hand; robust, concealed hinges. A connection for potential equalisation is provided. The frame consists of a Z-section with a circumferential insect-proof and totally weather-proof rubber seal[...]

[...]Manhole cover, secure to prevent forced access, weatherproof, round in shape, made of 1.4307 (AISI 304 L). In accordance with DIN 1239:2018-4, security tested to resistance class RC3 (DIN EN 1627). According to requirements of DVGW W 1050 - Object protection for water supply structures. Suitable for use in Ex zone 1. The cover consisting of a 4 mm thick stainless steel plate with a centrally raised profile, with stable concealed hinges, stainless steel gas assisted spring dampers, integrated arrestor which can only be undone by hand, with handle, with a replaceable circumferential, insect-proof[...]

[...]Manhole cover, secure to prevent forced access, weatherproof, rectangular in shape, made of 1.4307 (AISI 304 L) stainless steel. Design based on DIN 1239:2018-4, security tested to resistance class RC4 (DIN EN 1627). According to requirements of DVGW W 1050 - Object protection for water supply structures. Suitable for use in Ex zone 1. The cover consisting of a 4 mm thick stainless steel plate with a centrally raised profile, with stable concealed hinges, stainless steel gas assisted spring dampers, integrated arrestor which can only be undone by hand, with handle, with a replaceable circumferential[...]

[...]Manhole cover, secure to prevent forced access, weatherproof, rectangular in shape, made of 1.4307 (AISI 304 L) stainless steel. In accordance with DIN 1239:2018-4, security tested to resistance class RC3 (DIN EN 1627). According to requirements of DVGW W 1050 - Object protection for water supply structures. Suitable for use in Ex zone 1 The cover consisting of a 4 mm thick stainless steel plate with a centrally raised profile, with stable concealed hinges, stainless steel gas assisted spring dampers, integrated arrestor which can only be undone by hand, with handle, with a replaceable [...]

[...]Birmingham, Great Britain[...]