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Fire Safety for Very Tall Buildings

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2 90 ELBLOW

90 Elbow

ข้องอ 90 เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

10 TEE

Tee

3 ทาง เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

6 NIPPLE

Nipple

ท่อเกลียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

14 STREET ELBOW

Street Elbow

ตัวข้องอ เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

3 COUPLING

Coupling

ยอย เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

12 ROUND CAP

Round Cap

ฝาครอบเกลียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

9 REDUCE SOCKET

Reduce Socket

ข้อต่อลด เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

5 HEX BUSHING

Hex Bushing

ข้อลดเหลี่ยม เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

13 SQUARE PLUG

Square Plug

ปลั๊กอุด เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

15 UNION

Union

ยูเนียน เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

8 REDUCE NIPPLE

Reduce Nipple

ลดเกบียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

4 CROSS

Cross

เกลียวกากบาท เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

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17 BALL VALVE 1PC

Ball Valve 1 pc

วาล์ว บอล 1 ชิ้น เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

18 BALL VALVE 2PC

Ball Valve 2 pc

วาล์ว บอล 2 ชิ้น เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

19 BALL VALVE 3PC

Ball Valve 3 pc

วาล์ว บอล 3 ชิ้น เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

20 BALL VALVE 3WAY

Ball Valve 3 way

วาล์ว บอล 3 ทาง เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

26 NEEDLE VALVE

Needle Valve

วาล์วเข็ม เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

21 GATE VALVE

Gate Valve

วาล์วประตู เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

22 GLOBE VALVE

Globe Valve

วาล์วควบคุม เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

24 Y STRAINER VALVE

Y Strainer

ตัวกรอง Y เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

23 SWING CHECK VALVE

Swing Check Valve

ประตูลิ้นกลับ เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

25 SPRING CHECK VALVE

Spring Check Valve

วาล์วปิดกลั้นทางเดียว เกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

Fitting Stainless

ฟิตติ้งสแตนเลส
จำหน่ายฟิตติ้งสแตนเลสเกรดโรงงานอุตสาหกรรม ราคาถูก

Valve Stainless

วาล์วสแตนเลส
จำหน่ายวาล์วสแตนเลส 304 ,316 ราคาส่งโรงงาน

Fitting Brass

ฟิตติ้งทองเหลือง
จำหน่ายฟิตติ้งทองเหลืองราคาส่ง
FITTINGTHAI BRASS PRODUCT
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1 Brass Adapter

Brass Adapter

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

2 Brass Bushing

Brass Bushing

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

3 Brass 90 Elbow

Brass 90 Elbow

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

4 Brass Hose Nipple

Brass Hose Nipple

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

5 Brass Nipple

Brass Nipple

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

6 Brass Reduce Nipple

Brass Reduce Nipple

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

7 Brass Tee

Brass Tee

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

8 Brass Union

Brass Union

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

9 Brass Ball Valve 1pc

Brass Ball Valve 1 pc

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

10 Brass Ball Valve 2pc

Brass Ball Valve 2 pc

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

11 Brass Ball Valve 3pc

Brass Ball Valve 3 pc

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

12 Brass Ball Valve 3way

Brass Ball Valve 3 way

Tee way 3 ทางเกรดอุตสาหกรรม
มีให้เลือกตั้งแต่ 1/8" - 4"

Very tall buildings have distinctive fire safety design issues that aren’t skilled in different types of structures. For instance, as a end result of the peak of the construction is past the attain of ladders, tall buildings are equipped with more fireplace safety options as it’s not potential for the hearth department to provoke exterior rescues from ladders and suppress fires with exterior hose streams.
In regards to fire security, the efficiency historical past of very tall buildings while very profitable, has not been without catastrophic incidents. ไดอะแฟรม of those incidents have resulted in 1) quite a few deaths and accidents, 2) extreme property loss and 3) disruptions in business continuity. For example, the One Meridian Plaza high-rise fire in Philadelphia that occurred in 1991 resulted within the loss of three firefighters and building by no means being re-opened. In 1988, the fireplace in the Interstate Bank Building in Los Angeles experienced one fatality and resulted in the building being out of use for six months.
Based on research and classes discovered, the mannequin building codes have made important progress in addressing hearth questions of safety in very tall buildings. At the same time, the complexity and unique challenges of today’s very tall buildings have created an environment where comprehensive performance-based options have become a necessity.
To help the design community with creating performance-based fireplace safety solutions for very tall buildings, in 2013, the Society of Fire Protection Engineers (SFPE) partnered with the International Code Council (ICC) to develop the Engineering Guide: Fire Safety in Very Tall Buildings.1 This publication is written as a guide to be used at the side of local codes and standards and serves as an added device to those involved within the hearth protection design of unique tall buildings. The information focuses on design points that affect the hearth security performance of tall buildings and how engineers can incorporate performance-based fire protection by way of hazard and threat analysis methodologies into the design of tall buildings. This article will focus on a few of the distinctive hearth security design strategies/methodologies employed in the design of tall buildings which may be referenced within the ICC/SFPE Guide.
Emergency Egress

Developing an efficient evacuation strategy for a tall building is difficult as the time to finish a full building evacuation increases with constructing top. At the identical time, above sure heights, the standard method of requiring all occupants to simultaneous evacuate is most likely not practical as occupants become extra susceptible to additional risks when evacuating through stairways. That is why tall buildings often employ non-traditional or alternative evacuation strategies.
When designing an egress plan for a tall building, the first aim should be to provide an acceptable means to permit occupants to move to a place of safety. To accomplish this objective, there are several evacuation methodologies which would possibly be available to the design staff. These evacuation methods can include but are not limited to 1) defend-in-place, 2) shifting people to areas of refuge and 3) phased/progressive evacuation. It is also attainable that a mixture of these methods can be this greatest solution. When deciding on an acceptable technique, the design staff should think about the required level of security for the constructing occupants and the building performance aims which would possibly be identified by the building’s stakeholders.
Using protected elevators has turn out to be another evacuation technique that is changing into more prevalent within the design of tall buildings. In addition to aiding the fire department with operations and rescues, protected elevators at the second are being used for building evacuation, notably for occupants with disabilities. When considering elevators in an evacuation technique, there are a number of design considerations to think about: 1) security and reliability of the elevators, 2) coordination of elevator controls and constructing security systems, 3) education of building occupants and first responders and 4) communication to building occupants in the course of the emergency.
Tall buildings usually make use of non-traditional or various evacuation strategies.
Fire Resistance

The penalties of partial or world collapse of tall buildings as a end result of a extreme hearth pose a major danger to a lot of folks, the hearth service and surrounding buildings. At the same time, tall buildings usually have unique design features whose function in the construction and hearth response are not easily understood using conventional hearth protection methods. These distinctive elements may warrant a need to undertake a sophisticated structural fireplace engineering evaluation to show that the building’s efficiency objectives are met.
Performance-based design of structural fire resistance entails three steps: (1) dedication of the thermal boundary conditions to a construction resulting from a fireplace; (2) calculation of the thermal response of the structure to the fire exposure, and (3) willpower of the structural response of the construction. Guidance on performing this kind of evaluation may be found within the SFPE Engineering Standard on Calculating Fire Exposures to Structures2, and SFPE Engineering Standard on Calculation Methods to Predict the Thermal Performance of Structural and Fire Resistive Assemblies.3

Water-Based Fire Suppression Systems

In tall buildings, the water supply required for fire safety methods could be higher than the potential of the basic public water supply. As such, fireplace protection system water provides for sprinkler techniques and standpipes require using pumps and/or gravity water tanks to boost the water strain. Reliability of this water provide is a key consideration. As such, redundant hearth pumps, gravity-based storage provides, or both could also be needed to enhance system reliability.
Another problem to consider when designing water-based fire suppression methods is pressure control as it is potential for system components to be uncovered to pressures that exceed its maximum working pressure. Consequently, it might be essential to design vertical pressure zones to control pressures in the zone. Additionally, strain regulating valves are often needed. When put in, care should be taken to ensure that these strain regulating valves are installed properly and adequately maintained.
Fire Alarm and Communication Systems

Providing constructing occupants with accurate information throughout emergencies will increase their ability to make applicable selections about their very own safety. Fire alarm and communication systems are an important supply of this information. Very tall buildings employ voice communication methods that are built-in into the hearth alarm system. When designing voice communication techniques you will need to ensure that the system supplies dependable and credible info.
Fire alarm system survivability is one other import issue to consider in fire alarm system design. For tall buildings, consideration ought to be given in order that an assault by a hearth in an evacuation zone does not impair the voice messaging exterior the zone. Some of the design issues to attain survivability may embody: 1) protection of control tools from fireplace, 2) safety of circuits. 3) configuration of circuits and 4) shielding of panels.
Tall buildings usually make use of smoke management systems that both vent, exhaust or limit the unfold of smoke.
Smoke Control

Controlling the unfold of smoke is extra complicated in tall buildings. For instance, tall buildings experience a phenomenon called stack effect. Stack effect happens when a tall building experiences a strain distinction all through its top because of temperature differentials between the surface air temperature and the inside building temperature. This causes air to maneuver vertically, depending on the skin air temperature – both upward or downward in a constructing. It also can trigger smoke from a building hearth to spread all through the building if not controlled. That is why tall buildings typically make use of smoke administration methods that either vent, exhaust or restrict the spread of smoke.
Other concerns in tall buildings included the air movement created by the piston impact of elevators and the effects of wind. Air motion caused by elevator automobiles ascending and descending in a shaft and the consequences of wind may end up in smoke movement in tall buildings. These impacts become extra pronounced as the height of the constructing enhance.
Because very tall buildings complicate smoke spread, effective smoke control is harder to attain. pressure gauge are numerous and include a mixture of lively and passive features similar to however not restricted to: 1) smoke barrier walls and flooring, 2) stairway pressurization methods, 3) pressurized zoned smoke control offered by the air-handling equipment, and 4) smoke dampers. The resolution carried out into the design needs to handle the constructing itself, its makes use of, related occupant characteristics and reliability.
First Service Issues

It goes with out saying that tall buildings current distinctive challenges to the fireplace service. During the planning and design phases, it’s important for the design group to work with the fire service to debate the type of assets which might be needed for an incident and the actions that shall be needed to mitigate an incident. This contains growing development and post-construction preplans. These preplans ought to embrace and not be limited to making provisions for 1) hearth service entry including transport to the best level of the building, 2) establishing a water provide, 3) standpipe systems (temporary and permanent), 4) communication methods, and 5) understanding the operations of the hearth protection techniques within the building.
One of the challenges the fire service faces during incidents in tall buildings is the flexibility of firefighters to maneuver equipment to the incident location. Designers ought to bear in mind how the hearth service can transport its gear from the response stage to the highest stage in a secure method.
Additionally, care needs to be taken when designing the hearth command center as it’s going to present the fire service command staff with essential details about the incident. The hearth command middle needs to be accessible and will include 1) controls for constructing methods, 2) contact info for building management, 3) present buildings plans, 4) emergency response and egress plans and 5) preplans.
1 International Code Council/SFPE. (2013). Engineering Guide: Fire Safety for Very Tall Buildings. Country Club Hills, IL.
2 SFPE. (2011). SFPE Standard S.01 2011, Engineering Standards on Calculating Fire Exposures to Structures. Gaithersburg, Maryland.
3 SFPE. 2015). SFPE Standard S.02 2015, SFPE Engineering Standard on Calculation Methods to Predict the Thermal Performance of Structural and Fire Resistive Assemblies. Gaithersburg, Maryland.
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