Facade with different colour of mosaic tile fixed on the external wall. In order to satisfy the specified needs of clients, mould design and the additional cover sheet or other units on facade can be adjusted. Precast facade panel for the external wall was introduced between the shear wall structure. It incorporates the concrete spandrel, walls and windows. Shen Zhen Sun Wah Concrete Products Co., Ltd. is an approved precast concrete facade supplier by the Hong Kong Housing Authority (HKHA). We manufacture vary types of precast concrete accordingly.
Precast Concrete Staircases is designed to bear on cross beams at landings and connected by dowel bars. They can be a simple inclined slab, a cranked slab, open riser stairs or constructed from a series of precast steps built into, and if required cantilevered from, a structural wall. Riser heights, tread depths, and stair widths of the staircases are pre-engineered and adjustable to meet your construction needs.
Advatnages:
erected with the steelwork, allowing immediate assess.
fireproof
sound deadening
swept finish on treads - non-skid
eliminates the inconvenience and unnecessary cost of temporary stairs.
eliminates sub-trade delays.
weather and site conditions are never a concern.
guarantees exact sizing and uniform, appealing form finishes.
Floors composed of reinforced precast concrete units have been developed over the years to overcome some or all of the disadvantages of in-situ reinforced concrete slab like need for formwork, and time taken for the concrete to cure before the formwork can be released for reuse and the floor available as a working area.
As precast concrete slab, half slabs are cast on precast yard with steam curing facilities while the remaining half of the slab is cast by in-situ concrete when conduit and reinforcement is laid down on the prefabricated half slab. We manufacture 75mm thick precasat concrete slab within vary box-up or recess. Length of starter bar from the edge of slab is according the relevant approved drawings. Special precast slab is also available such as larger the overall size, thickness and using the large size steel bar depend the special requirement with approved drawing
Concrete pipe continues to be the choice when durability, structural integrity, 100 year design life, constant hydraulic efficiency, and low maintenance are considered. The brute strength of concrete pipe also plays an important role in the bedding and backfill requirements. They are usually used in sanitary sewer, storm sewer and culvert applications.
Shen Zhen Sun Wah Concrete Products Co., Ltd. manufactures a full line of reinforced precast concrete pipes with flexible spigot and socket joint ranging from 150mm up to 1950mm in diameters, and rebated joint ranging from 2100mm up to 2550mm in diameters in accordance with BS 5911:Part 100:1988. We have an advanced and high technological testing system to supervise and maintain the pipes are in prefect condition and cracks free. Additional sizes can be provided upon request to meet your specific job conditions.
Advantages:
long lifespan
low maintenance
stay in shape
no problem with rust, buckle, split, deflect, deteriorate,burn, pollute, waste energy or lose its hydraulic capacity
less dependent on the soil placed around it because it acts as a structure
Pipe Jacking method is most commonly used under developed areas without causing disruption and digging a trench from the ground surface. Other alternative methods such as micro-tunnelling, auger boring and pipe ramming can also be used for trenchless installation. All of the Precast Concrete Jacking Pipes are manufactured to comply with BS 5911:Part 120:1989 and the standard range of the pipes are available in diameters from 300mm up to 2550mm. Sizes outside this range can be made upon requested as for special project pipes.
Advantages:
minimize interference to existingservices or surface structures
Precast Concrete Porous Pipes are usually dry jointed and used in subsoil drainage. The porous pipes absorb the water through their walls and thus keep out the fine particles of soil or silt. They are manufactured to comply with BS 5911:Part 114:1992 and can be supplied either completely porous or with impervious invert. The standard range of the pipes are available in diameters from 100mm up to 375mm. Sizes outside this range can be made upon requested as for special project pipes.
Plastiline is a plasticised PVC sheet specially designed to be embedded in the pipe’s internal surface above the low flow level during normal operating conditions mechanically. The prime function of Plastiline is to give complete protection against a wide range of alkalis, acids and chemical attack, especially Hydrogen Sulphide (H2S), on the pipe surface. The application of Plastiline ensures minimum 100 years life and can be applied in any concrete structure, treatment works, sewers etc. Various sizes are available upon requested as for special project pipes.
Shen Zhen Sun Wah Concrete Products Co., Ltd. manufactures several types of Precast Concrete Gully Formers to suit for your site conditions. All of them are manufactured to comply with BS 5911:Part 2:1982 and they can be constructed upon requested with approved drawing.
Shen Zhen Sun Wah Concrete Products Co., Ltd. manufactures single face and structure mounted barrier, as well as permanent and temporary. A variety of barrier shapes and sizes with smooth or rough surface can also be made custom for your projects.
The Precast Manhole bases are a monolithic pour to assure a watertight base section. They can be used for sanitary sewer and storm drain systems, pump stations, and wet wells. Invert channels as well as inlet and outlet holes are cast to your specified details. Flexible watertight pipe-to-manhole boot connectors are also available for most pipe sizes.
The standard range of Precast Concrete Manhole Rings and Cover Slabs of our company is available in diameters from 900mm up to 3000mm with or without galvanized step iron. There are 4 parts of manhole ring section which identified by their location at installation: 1) Top Ring: Flat top end with rebated joint at bottom
2) Standard Ring: Rebated joint at both ends
3) Bottom Ring: Flat bottom end with rebated joint at top
4) Flat Ring: Flat at both ends
The Precast Concrete Manhole Rings are manufactured in accordance with the requirements of BS 5911:Part 200:1989 and the galvanized step irons for the chamber rings are to BS 1247. As for special project manholes, they can be made upon requested or specified.
As precast concrete road barriers, precast concrete kerbs can be constructed permanently and temporarily. They are manufactured to comply with BS 7263:Part 1:1994. It allows design flexibility resulting in many size options and multiple finishes. If necessary, the kerbs can be custom precast to accommodate project specifics.
We manufacture different kinds and shapes of Precast Concrete Drawpits & Cablepits according to our customers’ requirements under a high quality control system. The Precast Concrete Drawpits & Cablepits are used to give suitable and adequate protection to the necessary accessories. Different kinds of sizes and shapes can be made upon requested with approved drawings as for your special project needs.
The main function of Precast Concrete U-Channel & Covers is used for collecting rainwater from hills, mountains or valleys. It can collect rainwater to the desired location or appropriate site. As Precast Concrete Drawpits & Cablepits, they are available upon requested with approved drawings as for your special project needs.
The standard sizes of Precast Concrete Seawall Blocks are according to M1 to M9 and the concrete grade of the seawall block is 20/40. They are vertical seawall and are mainly used for construction land. Different kinds of sizes and shapes can be constructed upon requested.
Our prestressed beams are structural members mainly utilized with our Flexicore product for multi-story residential (dormitories, hotels/motels, apartments, etc.) and industrial applications. Sizes and shapes can be constructed and justified custom for your projects.
We supply a wide range of cable troughs in precast concrete. The application of Precast Concrete Cable Troughs can provide adequate protection to cables avoiding causing damage to the accessories. A variety of shapes and sizes with different finishes can be made custom for your projects.
We manufacture a series of high-grade precast concrete retaining walls on the cantilever principle. The precast concrete retaining walls are reinforced on both faces to meet all forms of stem loading. They can be erected on a foundation as a permanent retaining wall or be free standing to act as a dividing wall between heaped materials such as aggregates for concrete. A degree of flexibility between the independent precast elements allows for temperature expansion without any degradation to the walls integrity.
Each retaining wall job is custom engineered for a particular application. All retaining wall designs are done in-house under direct supervision of a licensed Professional Engineer. We provide detailed shop drawings and calculations for each job submitted, that will bear the seal of the Professional Engineer.
Advantages:
reduction in time by eliminating the curing period which is required for in-situ walls
eliminating the need for costly formwork together with the time required to erect and dismantle the temporary forms
special units to form internal angles, external angles, junctions and curved walls are available to provide flexible layout arrangements
Nowadays, Prefabricated Cooking Bench & Sink Units are widely used both in multi-story residential and industrial buildings. The application of our Prefabricated Cooking Bench & Sink Units not only can save limited construction time but also your money. Various types of shapes, sizes and finishes can be made custom with approved drawings for your projects.
Our Precast Concrete Box Culverts are engineered to conquer troublesome terrain. Whether they can be cast in a wide range of sizes and are wet cast in precision steel forms and are used to intercept existing sewer or water lines, as catch basins, as quick-install bridges, or as tunnels and trenches for cables, conduits, wires, gas and steam pipes, our box culvert systems are designed to meet or exceed the requirements of our customer. Special designs of Precast Concrete Box Culverts can be made for specific job conditions.
Advantages:
minimum traffic delays - may eliminate costly detours
ease of installation - with tongue and groove joint - culvert type installation
assured quality control due to controlled plant manufacturing
Our company will build custom precast products to your specifications. We cast buildings monolithically and with panels in a variety of finishes. Engineered to meet job requirements, Shen Zhen Sun Wah Concrete Products Co., Ltd. will convert your cast in place structure to precast. Whether it is several typical pieces that can be cast with our modular steel forming equipment, or a one of a kind custom casting, we can help you.
