Quota composition
Chapter 1: Installation of automatic fire alarm system (detector, button, module, alarm controller, pneumatic tank)
Chapter II: Installation of water fire extinguishing system (pipes, system components, other components, fire hydrants, supports, etc. )
Chapter 3: Gas fire extinguishing system (pipeline, system components, carbon dioxide weighing inspection? Devices, etc. )
Chapter 4: Foam fire extinguishing system (foam generator installation, foam proportional mixer installation, etc. )
Chapter 5: Debugging of fire fighting system (automatic alarm system, water fire extinguishing system, gas fire extinguishing system, etc.). )
Chapter VI: Installation of Safety Precautionary Equipment
Other fire-related quotas.
1, fire pump, pressure stabilizing pump, etc. The first volume of mechanical equipment installation quota shall prevail;
2. Fire-related electrical devices shall be subject to Volume II "Electrical Installation Engineering Quota";
3, fire pump room pipe installation, valve installation, flange installation, as well as the production and installation of all kinds of casing for book 6 "industrial pipeline engineering quota";
4, in the fire hydrant fire extinguishing system installation of fire fighting equipment, pipe installation, valve installation, outdoor water supply pipe installation, fire water tank production and installation for the eighth volume of the water supply and drainage engineering quota;
5. Install various instruments and meters, valves with live signals, water flow indicators, pressure switches, driving devices and drainage devices in the fire protection system. The wiring and calibration of the alarm switch shall conform to the corresponding quota in the Automatic Control Instrument Installation Project in Volume 10;
6. The derusting, oil brushing and thermal insulation works of equipment and pipelines in the installation works of fire fighting and safety protection equipment shall be subject to the "Oil brushing, anticorrosion and thermal insulation works quota" in Volume 1 1.
Problems needing attention in using quota
1, fire hydrant fire extinguishing system pipeline installation project should comply with the quota of the eighth book "Indoor pipeline installation project general domestic water supply pipeline" corresponding quota subtitle, can't apply the quota of the seventh book "pipeline installation project quota subtitle"; The boundary of engineering quantity is the same as the indoor and outdoor boundary in the eighth volume of engineering quantity quota.
2, fire control system (except the selection valve in gas fire extinguishing system) valve, flange installation project, whether it is in the fire hydrant fire extinguishing system valve, flange, or automatic sprinkler system valve, flange, should be applicable to the corresponding valve installation quota and flange installation quota of the eighth book quota subtitle.
Calculation of fire engineering quantity and application of quota
Fire hydrant fire extinguishing system
1. Pipeline installation: In the calculation of pipeline installation quantities, different connection modes (threaded connection, flange connection) and different specifications and sizes are calculated based on the length of pipeline centerline, with "meter" as a single λ and fixed metering sheet λ as "10m", and the lengths of pipe fittings, valves and components are not deducted when calculating pipeline length. This price is applicable to the price of the corresponding indoor (indoor fire hydrant system) outdoor (outdoor pipe network) pipeline installation quota subtitle in Volume VIII. When calculating the pipe length, it is necessary to distinguish different pipe diameter specifications and different installation methods. For the calculation of pipeline length, the vertical length shall be calculated by the elevation difference (find the relevant elevation size and quantity in the system diagram), and the horizontal length shall be measured by the axis size as far as possible, but not by a ruler when the axis size cannot be used. When measuring with scale, we must first make clear the planned proportion, and then do relevant calculations.
2. Installation of indoor fire hydrants: The quantity of works is calculated by taking "set" as a single λ, and the quota distinguishes between single-outlet fire hydrants and double-outlet fire hydrants, and the price is subject to the corresponding subheads in Volume VII quota. Δ Pricing material is indoor fire hydrant, with "set" as single λ.
3. Outdoor hydrant installation: outdoor hydrants on the ground are classified according to different pressure grades (1. 1MPa and 1.6MPa). Pressure grades are divided into shallow type, deep type I and deep type II, and "sleeve" is measured by single λ. Underground outdoor fire hydrants are classified according to different pressure grades (1.0MPa and 1.6MPa). Pressure grades are divided into shallow 100 type, deep 100 type, shallow 150 type and deep 150 type, with "set" as a single λ, and the installation price of outdoor fire hydrants shall be subject to the corresponding subheadings in Volume VII quota. Delta pricing material is an outdoor fire hydrant "set" to single λ.
The earthwork involved in the installation of outdoor fire hydrant shall be subject to the corresponding subtitle of civil engineering quota.
4. Installation of fire pump adapter: the quota is divided into above-ground, underground and wall type. In one form, it is divided into different specifications and measured by "set" as a single λ. Quotas apply to the corresponding subheadings of Volume VII. The δ pricing material is a fire pump coupler "set" to single λ. If the design requires the use of short pipe, the price of short pipe itself will be calculated separately, and the rest will remain unchanged.
5. Others:
(1) valve installation: the valve installation in the fire hydrant fire extinguishing system is measured with "one" as a single λ, and the price is subject to the corresponding subtitle in Volume 8.
(2) Manufacture and installation of fire-fighting water tank: according to the subheading of manufacture and installation of domestic water supply tank in Volume VIII. For manufacturing differences, "100Kg" is a single λ, and for installation differences, "one" is a single λ.
(3) Installation of fire pump: Take "platform" as the single λ measurement, and implement the corresponding subtitle of the mechanical equipment installation project quota in Book I. ..
(4), fire pool installation: according to the corresponding subtitle of civil engineering quota.
5. Fabrication and installation of pipe supports and hangers: "100Kg" is taken as the single λ, and the quota is subject to the corresponding subtitle in Volume VII. Manufacture and installation of comprehensive supports, hangers and anti-sway supports in quota subhead. When calculating the weight of the driver, the first step is to find out the spacing b of brackets according to the specifications of the pipeline (as shown in the following table), the second step is to calculate the number n of brackets according to the length l of the pipeline and the spacing b of brackets (n = l/b), and the third step is to get the single weight according to the weight m of a single bracket (look-up table, or according to the shape and size of brackets? Draw a λ shape on the specifications, dimensions and specific gravity of the steel used to obtain a single weight. The total number of supports used in the pipeline is G'=m*n, and finally the weight of all supports is calculated. G =σG′=σm * n
[6] Pipeline flushing: calculated according to the corresponding contents of Volume VIII quota.
Automatic sprinkler system
1. Pipeline installation: In the calculation of pipeline installation quantities, different connection modes (threaded connection and flange connection) and different specifications and sizes are calculated based on the length of the pipeline centerline, with "meter" as a single λ, and the fixed metering single λ as "10m". The calculation method of pipeline length is the same as that of fire hydrant fire extinguishing system. When calculating the pipe length, the length of pipe fittings, valves and various components is not deducted. This price is applicable to the relevant pipeline installation quota subtitle in Volume VII of Quota Water Fire Fighting System, and the installation cost and material cost of pipe fittings are included in the price of threaded connection installation.
Galvanized steel pipe flange connection quota, pipe fittings and flanges are regarded as finished products, and both ends of elbows are regarded as short pipe welded flanges. This quota includes all installation work of straight pipes, pipe fittings and flanges, but the quantity of main materials of pipe fittings, flanges and bolts shall be calculated separately according to the design regulations. If the number of main materials for bolts is not specified in the design, please refer to the appendix of Volume VI. : List of flange bolts. If flanges and pipe fittings are considered according to on-site production, the price of corresponding subtitle shall be implemented according to the quota in Volume VI.
2. Installation of alarm device: The installation of wet alarm valve is divided into fixed grades according to the nominal diameter, with "group" as the single λ, which is applicable to the corresponding fixed subheadings in Volume VII. The pricing material is a complete set of products "moisture alarm device" and two flanges. Installation work includes: external inspection of alarm device components, pipeline cutting, slotting, assembly, flange welding, bolt tightening, temporary short pipe installation and removal, and alarm valve leakage. Testing, integral assembly, piping and commissioning.
The installation methods of wet and dry alarm device, pre-action alarm device and electric rain alarm device are basically the same as those of wet alarm device, and the calculation of installation quantities is the same as that of wet alarm device. This quota is applicable to wet alarm device installation subtitle, and the fixed labor cost is multiplied by the coefficient 1.2. The prices of main materials are calculated according to the actual installed product prices, and the rest remain unchanged.
3. Installation of water flow indicator: The installation of water flow indicator body is different according to different connection methods and different nominal diameters. Take "one" as a single λ, apply the subtitle corresponding to Volume 7, and apply the subtitle corresponding to Volume 10 for signal line connection and verification.
4. Nozzle installation: Nozzle installation does not distinguish between product type, specification and model, but only between suspended ceiling installation and non-suspended ceiling installation, with "one" as single λ, quota λ as "10" and nozzle as δ-priced material.
5. Installation of δ-end test device: Measure the "group" as a single λ according to different specifications, and set the corresponding quota subheadings in Volume VII. The quota includes the installation cost and material cost of pressure gauge and pressure gauge valve, and the quota also includes the installation work of two valves, but the material price of the valves is δ.
6. Installation of valves and flanges: implement the corresponding quota subheadings in Volume VIII.
7. Installation of diaphragm air pressure water tank: According to different specifications and diameters, take "platform" as single λ. In the quota, the anchor bolts are considered as self-contained pneumatic tanks, and only the installation cost is counted. If the oil tank itself has a δ belt, the bolt price will be calculated separately. Flange installation cost and support bolt cost at the inlet and outlet of storage tank shall be calculated separately. The installation of tank includes the cost of guiding secondary grouting, but the cost of secondary grouting is fixed according to the first volume of mechanical equipment installation project.
8. Pipe network flushing: automatic sprinkler pipe network flushing, with "m" as the single λ to distinguish different specifications, and the quota measurement single λ is "100m" quota.
Others: The contents of fire pump, valve and flange in the system are the same as those in the fire hydrant fire extinguishing system.
Gas fire extinguishing system
1 piping system:
(1), pipeline installation is divided into seamless steel pipe threaded connection, seamless steel pipe flange connection, gas-driven device pipeline connection and pipe fitting connection. Pipeline installation shall be measured with "m" as the single λ according to the design pipeline centerline length, and the single λ of the quota measurement shall be "10m". The calculation method of pipeline length is the same as that of fire hydrant fire extinguishing system. When calculating the pipe length, the length of valves, pipe fittings and various parts shall not be deducted, and the quantity of main materials shall be calculated according to the quota.
⑵. Pipeline connection of gas drive device: The pipeline installation shall be measured with "m" as the single λ according to the design pipeline centerline length, and the single λ of fixed metering shall be "10m". When calculating the pipeline length, the length of valves, pipe fittings and various components shall not be deducted, and the quantity of main materials shall be calculated according to the quota.
⑶. Threaded connection of steel pipe fittings: all of them are measured with "one" as a single λ according to different specifications, and the main material of pipe fittings is calculated according to actual specifications.
Please pay attention to the following points when compiling the gas pipeline budget:
① Thread connection of seamless steel pipe: excluding the connection of steel pipe parts; According to the design consumption, the engineering quantity shall be subject to the connection quota subtitle of steel pipe fittings.
② Flange connection of seamless steel pipe: pipe fittings and flanges are regarded as finished products, and both ends of elbow are regarded as welded flanges of short pipe. This quota includes the installation of all straight pipes, fittings and flanges, but the quantity of main materials of fittings, flanges and bolts shall be calculated separately according to the design regulations.
(3) For the installation of threaded stainless steel pipes, copper pipes and pipe fittings, multiply by the coefficient 1.2 according to the Installation Norm of Seamless Steel Pipe and Steel Pipe Fittings.
(4) The installation quota of pneumatic drive pipeline includes the installation of ferrule connector, and its value shall be calculated separately according to the actual consumption.
2. System components:
(1) Installation of nozzle: According to different specifications, take "one" as a λ.
⑵ Selection of valve installation: According to different specifications and connection methods, take "one" as single λ.
⑶ Installation of storage device: According to the specifications of storage container and driving gas cylinder (L), measure the "sleeve" as a single λ. A set of bottles. The installation of storage devices includes the installation and fixation of fire extinguishing agent storage containers and driving gas cylinders, the installation of supporting frames, system components (including headers, container valves, check valves and high-pressure hoses), safety valves and other storage devices and valve driving devices, and nitrogen pressurization.
3. Carbon dioxide weighing inspection? Installation of device: take "set" as single λ. Does the quota include emissions? Install alarm switch, counterweight and bracket.
4. Others:
(1), the fabrication and installation of pipe support for gas fire extinguishing system are the same as those for fire hydrant fire extinguishing system.
(2) Stainless steel pipes, copper pipes and pipe fittings connected by welding or flange shall be subject to the corresponding quota in Volume VI Industrial Pipeline Engineering.
(3), electromagnetic driver and drain? The electrical connection of the alarm switch shall conform to the corresponding subtitle in the Installation Project of Automatic Control Devices and Instruments in Volume 10 (10-1).
⑷. The system debugging should be based on the different specifications of the test vessel, with "one" as a λ.
froth fire extinguishing system
1. Installation of foam generator: according to different models, the number of "platforms" is λ. Installation includes the labor and materials consumed in the overall installation, flange welding, monomer debugging and isolator during the pressure test of the pipeline, but it does not include the fabrication and installation of the bracket and the secondary grouting. Anchor bolts shall be considered as safety belts, otherwise they shall be priced separately. Except the flange connected with the equipment, the flange and bolt shall be calculated separately according to the design regulations.
2. Installation of foam proportional mixer: According to different models, "Taiwan Province" is single λ, and all others are equipped with foam generators.
3. Fabrication and installation of equipment support for foam storage tank: Implement the corresponding project in Volume V "Fabrication and installation of static equipment and process metal structure".
4. Installation of pipes, fittings, flanges, valves and pipe supports. In the foam fire extinguishing system, the water flushing, strength test and leak test of the pipeline system should be carried out according to the corresponding quota in Volume VI Industrial Pipeline Engineering.
The above are collected and sorted by Zhong Da Consulting Company.
For more information about project/service/procurement bidding, and to improve the winning rate, please click on the bottom of official website Customer Service for free consultation:/#/? source=bdzd