Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
STANDPIPE DESCRIPTION
"THE STANDPIPE THAT IS USED IN THE QFRS CAN BE DESCIBED AS..." |
Approx 1m High
Consists Of 5 Major Components which are necessary to bring this piece of equipment into service... BASE BARREL - TOP BOSS - WATER HEAD - SPINDLE |
|
|
STANDPIPE USE
"THE STANDPIPE IS USED IN THE QFRS TO " |
To Connect A Hose Line To A Ground Hydrant...
This Then Can Deliver A Controlled Supply Of Water Sourced From Reticulated Mains... |
|
|
THE STANDPIPE IS CONSTRUCTED IN 5 MAJOR COMPONENTS...
OVERALL THE STANPIPE IS" |
Construted Of Non Corrosive Materials Of Either Brass Or Aluminium Alloy...
And Is Approx 1m In Length... |
|
|
FIRSTLY THE BASE...
|
Is A One Piece Cast With Male External QLD Rd Thread...
Has A Rotating Collar That Is Designed To Fit Under The Hydrant Lugs... Fixed Collar Acts As A Stop For The Rotating Collar & Provides Seating For The Neoprene Washer... Neoprene Washer Is Recessed To Prevent It From Slipping Off The Standpipe... |
|
|
SECONDLY THE BARREL
|
This links the base to the top boss...
Directs water from hydrant to waterhead... |
|
|
THIRDLY THE TOP BOSS
|
One Piece Cast With Two Tightening Handles Which Assists With Shipping and Unshipping The Standpipe...
|
|
|
FOURTHLY THE WATER HEAD...
|
Is A One Piece Cast...
With Two Male Coupllings - External QLD Rd Thread ... One Fitted With Blank Cap - Internal QLD Rd Thread... Has A Gland Nut Which Ensures A Water Tight Seal on The Spindle... Also Has A Water Tight Gland Assembly To Allow The Water Head To Be Rotated... |
|
|
FIFTHLY THE SPINDLE...
|
Has A T Handle At The Top And Concave Pressure Disc At The Bottom... (mushroom disc)
This Disc Allows For Smooth Contact With The Valve Of The Ground Hydrant... Is Male Threaded Which Engages With The Female Thread Of The Fixed Guide... |
|
|
STANDPIPE OPERATION
"TO BRING THIS ITEM INTO OPERATION IN THE QFRS REQUIRES THE FOLLOWING SKILLS... |
Ship a standpipe...
Unship a standpipe... SKILL 6 To Couple Hose To Standpipe The T Handle Is Rotated In A Clockwise Direction Causing The Spindle To Push The Valve Of The Hydrant Down Allowing Water To Flow Up The Standpipe... SAFETY - FF must not lean there head over whilst turning spindle - if damaged may ejectthe water head causing injury |
|
|
STANDPIPE TESTING
"To test the standpipe in the QFRS requires both Visual and Operational testing procedures..." |
VISUAL & OPERATIONAL Are Both Tested When
Taken into service... Monthly... VISUAL Is Also Tested After each use... VISUAL TEST Cosists Of Ensuring coupling threads & washers are in good conition... All parts move freely and the blank cap is attached... OPERATIONAL Testing Consists of Connecting to a hydrant and operate... Ensure Fittings do not leake... Moving parts work freely under pressure... Mechanisms function properly... |
