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Sewage and Ventilation

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on 10 November 2013

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Transcript of Sewage and Ventilation

Sewage and
Ventilation
System

Plumbing Materials, Pipes, Fittings, Devices, Equipment, Controls
Plumbing Materials
CAST IRON PIPE
and ACID RESISTANT CAST IRON PIPE
ASBESTOS PIPE

BITUMINOUS FIBER SEWER PIPE
VITRIFIED CLAY PIPE
There are numerous kind of materials available for plumbing installation but so far, the most popular and commonly used are:

GALVANIZED STEEL PIPE
GALVANIZED WROUGHT IRON PIPE
BRASS PIPE
COPPER PIPE
PLASTIC OR SYNTHETIC PIPE
STAINLESS STEEL PIPE
CONSIDERATIONS:
1.)Quality and Durability.
2.) Resistance to external and internal contact with foreign matters.
3.) Resistance to acid waste and other chemical elements that will pass into it.
4.) Cost of Labor.

Cast Iron Pipes
CAST IRON PIPE
Durable, conveniently installed and answer to the most plumbing needs of all types of buildings less than 25 storey high.
Cast Iron Pipes are of 2 types:
1.) The SV type which is generally used for building installations.
2.) The XV classified as extra duty pipe used for underground installations.
CAST IRON PIPES has 4 VARIETIES
STANDARD PIPE
SINGLE HUB PIECE
DOUBLE HUB PIECE
HUBLESS PIPE
Asbestos Pipes
ASBESTOS PIPES
Made of Asbestos Fibers and Portland cement. The thickness of the pipe is twice as that of the standard cast iron pipe. Most suited for embedment in concrete structure for having the same material properties.
Copper Pipes
COPPER PIPES
Durable and extremely
corrosive resistant material.
Easy to install compared with
other types of pipe. Copper
Pipe is classified into three
types:

3 Types:

Type K - Heaviest. Suitable for underground installation.
Type L - Lighter than K type available in rigid and flexible form. It is commonly used in residential water supply line and for heating installations.
Type M - thinnest and only available in rigid form.
VITRIFIED CLAY PIPES
Made with clay and with the length of 0.70 meter treated with glazed compound. This is highly resistant to most acid and is well suited in underground installations working in either as public house sewer, or storm in drain. Being made of clay, the physical property of this pipe is brittle. It easily cracks when laid on unstable ground or base.
Vitrified Clay Pipes
Galvanized Steel Pipe
GALVANIZED STEEL PIPE
Made out from mild steel, drawn through a die and welded, cast into 6.00 meters long. This type is easily corroded by alkaline and acid water. The carbonic acid in water, attack the zinc coating and ultimately the steel itself. It is subject to deposits of salt and lime that gradually accumulate and finally choke the flow of water. It deteriorate faster when used as hot water supply line.
ADVANTAGES: DISADVANTAGES:
Most popular for drainage system.

Durable and convenient to install.

Can be used not more than 25 story high.

Corrosion caused by carbon dioxide, sulfer oxide and methane gases that forms.

Can’t be used more than 25 story because of constant vibrations.

Advantages:

Wall of pipe is twice thicker than cast iron pipes

Can be use in soil, waste, ventilation and downspouts
Disadvantages:

Difficult to repair

Pipe is brittle and tends to crack under stress from trench loads

Potential health concerns on potable lines and worker safety

Lead Pipes
LEAD PIPE
Lead is also one of the oldest plumbing materials used by the Egyptians, the Greeks and the Roman builders as soil and waste pipe. Lead is highly resistant to acid and is suitable for underground installation. But because lead is poisonous and injurous to human health, it is never used to convey water for human consumption.
Advantages:

Highly resistant to acid

Suitable for underground installation.

Disadvantages:

Poisonous

Can never be used for water distributions

LEAD PIPES
Brass Pipes
BRASS PIPES
Is one of the most expensive types of pipe. This pipe is made of an alloy or zinc and coppey mixted at 15 % and 85 % proportion respectively. Because of its smooth interior surfact and high resistance to acid, brass pipe become superior material for waste and water supply installations. Brass Pipe fittings are of the recessed type similar in design with galvanized steel pipe
BITUMINOUS FIBER SEWER PIPE
It is the cheapest among the sewer pipes. It is sometimes recommended for house sewer and for septip tank installation. This type of pipe is light in weight, slightly flexible which could take slight soil movement without danger of cracking or pulling out from its joint. However, excessive hot water or chemical flow may soften or damage the pipe.
PLASTIC OR SYNTHETIC PIPE
Plastic pipe is a new concept in the field of plumbing. It was introduced in the Philippines at the early part of 70's, although this type of materials was developed in Germany in the mid year of 1935.
The Rigid Type of Plastic Pipes
Polyvinyl Chloride (PVC)
Chlorinated Polyvinyl Chloride (PVC)
Unplasticized Butadiene Chloride (uPVC)
Acrylonitrile Butadiene Styrene (ABS)
Polypropylene (PP)
Styrene Rubber Plastic (SR)
The Flexible Types are:
1.) The POLYETHYLENE (PE) - Coil form at 30 meters
2.) The POLYBUTYLENE (PB) - up to 150 meters long in coil form
POLYVINYL CHLORIDE (PVC PIPE)
CHLORINATED POLYVINYL CHLORIDE (CPVC PIPE)
UNPLASTICIZED POLYVINYL CHLORIDE (uPVC)
ACRYLONITRILE BUTADIENE STYRENE (ABS)
POLYOROPOLENE (PP)
STYRENE RUBBER PLASTIC (SR)
Plastic or Synthetic Pipes
Bituminous Fiber Sewer Pipe
Full transcript