1, drainage, heating quotas
(1) station type piping and indoor piping division: station or machine room of the outer wall skin for the session.
(2) indoor piping and outdoor piping division: 1.5m of the outer skin of the building for the session.
(3) outdoor piping and municipal piping division: steel pipe DN150 municipal; seamless steel pipe Φ159 municipal; cast iron DN250 municipal.
(4) operation height: ultra-high coefficient >5m , refers to the operation of the object or equipment installation height from the same level of ground distance. Base: labor days * ultra-high coefficient.
(5) high-rise super-high fee: eaves height; 25m, the fee base: labor cost * high-rise super-high fee.
(6) heating system commissioning fee: unit project labor cost * 14% (excluding the cost of heat source), of which the labor cost accounts for 78% of the commissioning fee.
(7) Scaffolding use fee: unit project labor cost * 2%.
2, indoor piping
Understanding: piping pressure, material, connection method is different
(1) piping room pressure: low level once the test pressure can be; high-level layered test pressure, single test pressure, system test pressure and hidden works.
(2) low-pressure galvanized steel pipe (wire connection) DN32 or less to include pipe cards.
(3) low-pressure galvanized steel pipe (welded) does not include support hangers, pipe fittings are included (finished products: elbow, on-site processing: tee mouth open system).
(4) low-pressure galvanized steel pipe (flange connection) need to be galvanized for the second time, flange, the cost is not included.
(5) groove connection (clamp connection) for water supply and drainage, fire and gas; mechanical or open connection: commonly used in tee; fittings: groove connection.
(6) cast iron pipe for water supply: commonly used in buried household pipe (cast iron pipe is stronger than steel pipe mechanically, corrosion resistance).
(7) drainage cast iron pipe: horizontal connection; 6 toilets or high-rise buildings must have auxiliary ventilation pipe. Auxiliary vent pipe fittings, through its cap, riser inspection port in the form of content contained in the quota, without separate calculation.
(8) flexible drainage cast iron pipe: rubber flange interface type A; W-type hoop connection.
(9) aluminum-plastic composite pipe: brass fittings connection or ferrule connection, threaded connection between fittings. Aluminum-plastic composite pipe and PVC-U water supply plastic pipe has included pipe fittings, steel-plastic conversion joints installation costs, but does not contain the main material, the content of 1.01. Aluminum-plastic composite pipe DN32 within the inclusion of pipe cards.
(10) U-PVC drainage plastic pipe fittings have been included: permeable cap, expansion joints, vertical inspection port and toilet connection pipe (squatting toilet) do not have to be calculated separately; fire stopping ring or fire casing need to be provided separately.
(11) PPR pipe: wire connection implementation of galvanized steel pipe subheading; bonding implementation of UPVC water supply plastic pipe; heat welding implementation of Chapter VIII of the gas pipe PE pipe electric fusion.
3, the budget price
(1) material budget price has three parts: supply price, storage fees, procurement costs. Among them, the supply price has the following components: outbound freight, packaging costs, supply and marketing department handling fees, appearance fees.
(2) The price on the cost information is the price for transportation to the construction site, but does not include a 2% storage fee.
(3) Preparation of the fixed amount of machinery unit cost: depreciation (recovery of its original cost within the prescribed range of use), maintenance (overhaul and repair).
(4) The cost of the project includes: direct costs, corporate overhead (after deducting the project department's medical and pension), profits and taxes. The direct costs include: labor costs, material costs, machinery costs and site management costs (of which site management costs include temporary facilities costs and site funds).
4, outdoor piping
(1) the old piping and new piping joints: heat source set section 12 outdoor heat source pipe bumper; water supply pipe set section 13 outdoor water supply cast iron pipe plus tee water source joints.
(2) fill sand: according to the design requirements before calculating, not necessarily full fill Applicable to direct buried heat preservation pipe and direct buried pipe.
5, station type pipe
(1) coil welded pipe fittings: finished sets of low-pressure coil welded steel pipe fittings installed to make up for the main material; site production and processing of sets of low-pressure coil welded steel pipe fittings installed, do not need to make up for the main material.
(2) the field processing of various pipe fittings, including in charge of the eye on the tee, wrestling reducer, etc., are the implementation of the corresponding subheading of the pipe connection, no longer take the main pipe fittings cost, if the eye on the tee branch pipe is smaller than the main diameter of 1/2, fittings specifications according to the branch pipe diameter; if the branch pipe diameter is greater than the main pipe diameter of 1/2, the pipe fittings specifications according to the main diameter of the set of fittings.
6, valves and flanges
Pressure reducing valve group consists of: pressure reducing valves, valves, bypass pipes, elbows, pressure gauges.
7, sanitary ware
(1) squatting toilet: if you use UPVC drain, squatting toilet connecting pipe is not counted alone, included in the joint parts.
(2) Toilet: if the back drain, single implementation of a toilet soft joint installation (between the pipe and the toilet).
(3) urinal: flushing tank production execution of chapter 9 tank production. Flushing water tank bracket implementation of chapter 13 equipment bracket production.
(4) civil mop sink: floor installation of the implementation of the water spout and floor drain installation; desktop implementation of the water spout and drain plugs with water storage bend; vanity implementation of the water spout and drain plugs without water storage bend; multi-faucet sink implementation of more than one water spout and drain plugs with water storage bends, if there is a floor drain can be implemented water spout, drain plugs without water storage bends and floor drains.
(5) washing machine interface execution spout installation, change the main material: washing machine faucet.
(6) multifunctional floor drain, bathtub drain storage box (cabinet) installation execution of three drain installation of the corresponding subheading.
(7) horizontal sweeping port implementation of sweeping outlet (connecting more than two toilets or more than three water appliances must be set up sweeping outlet).
(8) riser inspection port, vent cap and expansion joints contained in the content of the pipe, do not need to calculate separately.
(9) hanging type isolator tow (bracket) shall be calculated separately.
(10) equipment tow oil painting needs to be another implementation of metal bracket painting.
8, heating appliances
(1) cast-iron radiators: generally need to be on-site grouping, regardless of the installation of open installation of the same subheading, floor installation of each group with a foot piece and not with a foot piece. Hanging installation is not divided, only the center piece.
(2) floor mounted radiators: 14 pieces or less, 2 with foot piece, 15-20 pieces, 3 with foot piece.
(3) Column type cast iron radiator installation of more than 20 pieces per group, the need to pull the strip, the cost of pulling the strip is calculated separately, with φ6 round steel, the implementation of metal bracket production and installation subheading.
(4) the interface sealing materials listed in the quota are prepared in accordance with the finished rubber gasket, if not consistent with the design shall not be adjusted.
(5) steel closed radiator: generally refers to the finished product, mostly hanging, unit: piece refers to the group, the quota includes tow hook installation, if the bracket finished product, the main material does not include tow hooks, tow hooks to make up the price. The quota has included the air release door wire plug, if the installation of manual air release valve and the implementation of manual air release valve installation.
(6) high-frequency welded finned tube radiator: the fixed amount includes the installation cost of the shield, but does not include its own value.
(7) Multi-column steel tube radiator: it can be used for hot water or steam, such as Sende radiator.
(8) radiant convector radiator installation, regardless of hanging or floor mounted, are the implementation of the same quota, floor mounted standoffs according to the main material brought with the preparation.
(9) light pipe radiators: A and B type production and installation, the quota has been included in the joint pipe materials used, shall not be calculated separately.
(10) air collection tank and automatic exhaust valve: used for hot water heating system at the highest point, the valve and bleeder pipe is calculated separately.
(11) heater installation: does not include bracket production and installation, separate Chapter XIII according to the equipment bracket production and installation.
(12) low-temperature radiant floor heating: according to the laying of specifications in meters. Generally can not have fittings, the quota does not contain insulation network, civil engineering calculations. The quota has been included in the ground pouring with construction. With aluminum-plastic composite pipe, polybutylene pipe, polypropylene pipe, polyethylene pipe and other pipes as floor heating pipes, are implemented in this project.
(13) heating system commissioning costs are calculated separately into the fee.
9, fire protection system
(1) pressure-reducing orifice plate location: in front of the fire hydrant living joint connection, flange connection in front of the fire hydrant, take over the fire hydrant after the connection. Flange installation is calculated separately.
(2) outdoor underground fire hydrant well implementation of the first book of civil construction quotas.
(3) gas drive device piping installation, the number of ferrule connectors according to the design drawings of the amount of separate calculation.
(4) storage device seat bracket is calculated separately, the implementation of Chapter XIII of the corresponding subheading equipment bracket.
(5) storage device installation, the quota has been included in the fire extinguishing agent storage containers, system components, safety valves and other storage devices and valve drive device installation and nitrogen pressurization (public number electromechanical human pulse). Nitrogen dioxide storage device installation does not require gas pressurization, the implementation of the quota should be deducted from the pure nitrogen, other unchanged. 10, gas piping
(1) polyethylene piping: PE pipe, fittings are calculated separately. Connection: small diameter electrofusion; large diameter heat fusion.
(2) polyethylene pipe fittings connection, applicable to polyethylene tee, elbow, pipe plug, reducer, sleeve and other various pipe fittings connection.
(3) steel-plastic conversion joints: regardless of silk, welding, flange connection are implemented in the same subheading; if the flange connection, the value of the flange itself is counted separately, the screw bolt according to the design drawings of the dosage and take 3% of the rate of loss calculation.
(4) gas pipe φ315 PE pipe according to Chapter VIII of the implementation of gas piping, gas wells according to the first book of construction works for the fee; φ315 PE pipe for the supplemental items, gas wells for the implementation of municipal pipelines for the fee.
11, low-pressure containers with
(1) assembled water tanks, including the production and installation costs of steel base frame, other equipment support are calculated separately.
(2) frequency water supply device: air pressure tank pressure controller comes with the equipment, frequency pump set of flexible joints if the equipment is included in the price of the main material, otherwise calculated separately.
(3) need to be insulated equipment for the implementation of equipment insulation quota subheading.
(4) equipment and foundation grouting generally refers to the second grouting.
(5) foot bolt production and grouting: if the equipment comes with foot bolts and grouting; if the equipment does not come with, the equipment foot bolt production and grouting.
(6) off-site transportation: generally used in conjunction with the water tank production. If the finished product installation to include the cost.
12, boiler
(1) if the gas boiler, should be cooked and flood furnace with light fuel oil converted to gas.
13, pumps and damping
(1) If the pump is not equipped with ground bolts, another implementation of the production and installation according to the ground screw bolt.
(2) shock absorption connection plate.
It is believed that after the above introduction, you have a certain understanding of the rules and considerations of the installation project costing quota counting. Welcome to visit Zhongda Consulting for more information.
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