The field of the membrane, or the selection of the membrane, is rarely the culprit. Royston membranes are reinforced rubberized bitumen based membranes which provide excellent tensile strength and puncture resistance. Areas warranting sprayed spmbmdga or spmbmdgagga where construction timing precludes the use of sprayed spmbm. Waterproofing systems for use on concrete decks of highway bridges. Architectural details for insulated buildings, 1990. This work shall consist of furnishing and installing a spray applied membrane waterproofing system. Britdex mdp is a 100% effective seamless bridge deck waterproofing membrane, flexible and robust enough to outlast the design life of many structures. The fosroc matacryl bridge deck waterproofing systems address these issues and provide good quality 100% effective seamless waterproofing preventing water, chemicals and deicing salts from penetrating into the structural deck concrete thus preventing the steel reinforcing bars corroding. Detr design manual for roads and bridges technical. Grace construction products grace waterproofing systems.
Read waterproofing membranes for concrete bridge decks. A second, bitumenbased tack coat layer may be used when required by specification. Careful design, proper selection of materials, and good construction practices are essential for a durable bridge deck. Our client listing is extensive, including departments of transportation, railroads, city, town and state municipalities and multiple general contractors. The twocomponent materials of the membrane system are mixed at the spray gun and sprayapplied to the substrate. Standard bd 4799 waterproofing and surfacing of concrete bridge decks is. Method a surface preparation cure new bridge decks that will receive waterproofing membrane according to. Bridge deck waterproofing systems previously approved under bd 47 would be deemed to satisfy the requirements of section 3. Waterproofing membranes for concrete bridge decks the. Henry waterproofing systems have excelled for over 40 years under such demands.
Grace waterproofing systems march 2012 contractors. Installing a highperformance waterproofing membrane is therefore an essential part of any bridge construction or refurbishment program. Decks larger than 800 m2 shall be divided into the least number of equal size lots of 800 m2 or less. These systems are expensive compared with all other systems. Installation errors can be corrected during application. The four bridges are the west kowloon expressway viaduct, the kap shui mun bridge, the ma wan viaduct and the ting kau bridge.
Membranes are provided in rolls interwound with a release film to prevent selfadhesion to the material in the roll. We provide state of the art spray applied waterproofing with trained certified staff. Trbs national cooperative highway research program nchrp synthesis 425. Since 1971, waterproofing materials and systems have had to meet the requirements of department of. Fosroc have three main waterproofing systems offering design engineers and clients effective solutions for the main application areas of bridge deck waterproofing, and when combined with fosrocs extensive portfolio for bridges and excellent customer service this gives a class leading offer for all your bridge protection needs. Harsh exposure conditions from exposure, moisture, thermal effects, weathering, and traffic often reduce these systems serviceability at a rate even surpassing that of parking and bridge deck slabs. Grace waterproofing systems march 2012 contractors handbook grace construction products sticker prints in 2colors pms 368 green and pms 2738 blue product data u pdates tech letters details contact. Parking decks and bridge decks planters interior slabs including kitchens, laboratories. Due to dynamic loading, the bridge decks must be protected. Continuity of water control layer at interfaces and details. Muni 914 lot means a single bridge deck or part of a bridge deck with a surface area of 800 m2 or less. Eliminator bridge deck waterproofing membrane gcp applied.
Prior to waterproofing, all concrete surfaces shall be treated in accordance with the new concrete bridge decks and concrete deck overlays clause. Prior to waterproofing, all existing waterproofing material shall be removed and all concrete surfaces prepared according to the new concrete bridge decks and concrete deck overlays clause. At eastern bridge works we specialize in bridges, dams, spillways, roofing and secondary containments. The system shall incorporate a primer, the waterproofing membrane, tack coat, and any required aggregate. Recent development of highquality membranes and spray. Method a surface preparation cure new bridge decks that will receive waterproofing membrane according to subsection 500.
Standard specifications for bridge construction section 1, excavation march 20 1 1 1. New technology with sikalastic protection membrane. Waterproofing details design under constrained conditions. Use premium waterproofing membrane for foundation walls, tunnels, planters, retaining walls basic waterproofing membrane for foundation walls, planters, retaining wall and flooring applications waterproofing membrane for foundations, tunnels, plaza decks, under slab or podium deck applications excellent flashing sheet for fluid applied membranes. Waterproofing details design under constrained conditions samuel vesely, b. Membrane durability is important for longevity and durability, but most premature failures have little to do with membrane selection.
Deck means the upper concrete surface of a structure to which waterproofing membrane shall be applied. The system is made up of four parts ultraseal primer, ultraseal reinforcing fabric, ultraseal bridge deck membrane, and ultraseal protection board. Surfacing on footways central reserves and verges 12. Certificate holders for approval of installers of bridge deck waterproofing systems see. Bridge deck membrane is used as a waterproof membrane with dielectric properties for protection against typical corrosion conditions that exist on many rail and dot structures. Common examples of appropriate stair waterproofing membranes include hotapplied rubberized asphalt, multiple plies of selfadhered waterproofing membrane, and some singleply membranes e. M400ar is a 70 mil, internally reinforced sheet waterproofing membrane with a built in white reflective topping. Concrete bridge decks resist wear and weather well, provide good traction and ride quality, and in many designs provide a part of the structural strength of the bridge. The fosroc matacryl bridge deck waterproofing systems address these issues and provide good quality 100% effective seamless waterproofing preventing water, chemicals and deicing salts from penetrating into the structural deck concrete. Waterproofing for bridge decks to increase the durability of reinforced concrete bridges, all concrete movement and construction joints, plus the bridge decks have to be waterproofed to prevent serious damage to the concrete, or to the embedded steel reinforcement. New technology with sikalastic waterproofing membrane. M400ar is specially designed for hot weather bridge deck applications and where heavy equipment will be driven on the deck immediately after membrane installation.
Section 533bridge deck waterproofing membrane page 2 533. Lot means a single bridge deck or part of a bridge deck with a surface area of 800 m2 or less. Bridge deck waterproofing under asphalt the matacryl wpm system bonds with the substrate and asphalt overlay to enhance and extend bridge service life. Details of acceptable membranes shall be obtained from manager, bridge specification and rehabilitation, bridge section. The ultraseal waterproofing system is a built up multilayer system used to protect the pavement surface from chlorides, water penetration and other harmful materials.
M400a is a 70 mil, internally reinforced sheet waterproofing membrane for use on bridge deck structures. Royston membranes provide superior support and strength in the most demanding conditions with the added benefits of fast installation and lower traffic control costs. Meldek is ideal for repair, maintenance, or new construction applications. Manual for roads and bridges nra dmrb and the nra manual of contract documents for. State of the practice southeast bridge preservation partnership april 14, 2011 raleigh, nc presented by michael c. The eliminator bridge deck waterproofing membrane is a cold, sprayapplied solution that can outlast the life of the structure reducing maintenance costs and traffic disruptions. Terrace decks tunnels split slabs parking decks highway bridge decks plaza decks. Manual for roads and bridges concerning the application of waterproofing to non. Decks split longitudinally for staged construction shall be treated as separate decks. Plaza decks are subject to some of the most accelerated and vigorous deterioration and distress of any structural system. Bridge deck membrane is a rapid setting, 100% solids, twocomponent polymer product.
If bridge maintenance structure is totally separate structure, it shall be designed for hs2044 live load. Waterproofing membranes for concrete bridge decks blurbs. In 1965 the waterproofing of bridge decks became mandatory for motorways and trunk road bridges and has subsequently been used on most other bridges. Waterproofing membranes for concrete bridge decks documents information on materials, specification requirements, design details, application methods, system performance, and costs of waterproofing membranes used on new and existing bridge decks since 1995. Suggested by adrev for a 3rd party the low gold orchestra mountain heart part 2 official music video song atlantis choir28585.
Bridge deck membrane can be applied in temperatures down to 20f without. Guidelines for the design and construction of railroad overpasses and underpasses 5 structure shall be designed for e80 load to accommodate any future track needs or modifications. Waterproofing and surfacing of concrete bridge decks. Technical design guide for waterproofing introduction mapei, world leader in the production of adhesives and chemical products for the building industry, has always invested considerable resources into research and development with the aim of constantly developing cuttingedge solutions to be integrated into executive projects. Rdgn033 the use of waterproofing membranes on concrete bridge decks page 1 of 8. Meldek deck waterproofing system provides an excellent waterproofing membrane for bridges, parking decks or other vehicular traffic structures to be overlaid with an asphalt concrete wearing course.
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