How do you get lines marked for digging?
Anyone who plans to dig should call 811 or go to their state 811 center’s website before digging to request that the approximate location of buried utilities be marked with paint or flags so that you don’t unintentionally dig into an underground utility line.
What length should painted locate marks be?
Marks in the appropriate color are approximately 12”-18” long and 1”wide, spaced approximately 4 ft – 50 ft apart. 2. The marks should include an indication of the owner of a facility indicated by initials or by name in letters, on flags or by painting.
What do locate markings mean?
Locate marks, be they paint, stakes or flags, should be in sufficient quantity and close enough together to clearly identify the horizontal alignment of the buried facilities.
What is the APWA color code?
Red: Electric power lines, cables or conduit, and lighting cables. Yellow: Gas, oil, steam, petroleum, or gaseous materials. Orange: Communication, alarm or signal lines, cables or conduits, and fiber. Blue: Potable water.
How do I find a buried electrical line?
Pipe and cable locators offer an effective way to locate buried electrical lines and conduit. They operate slightly differently than magnetic location devices, allowing them to find a signal from a non-ferrous metal. Some utilities have a signal running through them.
How far down are cable lines buried?
The minimum depth requirement of a direct burial cable is 24 inches, except when installed under a concrete slab with a minimum thickness of 2 inches. In this case, the cable can be installed at only 18 inches deep.
What is a private locate?
Private locators mark buried facilities owned and maintained by the private land owner, or their representative, and are located on private property after the public demarcation point.
What do red locate marks mean?
for temporary marking of underground utilities. RED – Electric Power Lines, Cables, Conduit, and Lighting Cables. YELLOW – Gas, Oil, Steam, Petroleum, or Gaseous Material. ORANGE – Communication, Alarm or Signal Lines, Cables, or Conduit.
What do locate colors mean?
YELLOW – Gas, Oil, Steam, Petroleum, or Gaseous Material. ORANGE – Communication, Alarm or Signal Lines, Cables, or Conduit. BLUE – Potable Water. GREEN – Sewers and Drain Lines. WHITE – Proposed Excavation Limits or Route.
What are temporary survey markings?
Pink indicates temporary survey markings. When a land surveyor visits to precisely draw the exact lines between adjoining properties, he or she will mark the ground in pink. This indicates the legal boundaries affecting the project. Red is the color for electrical equipment. Red means “Be careful!”
Where is the timing tab on a SBF damper?
To choose the correct SBF Damper, you need to know the location of the timing tab, the bolt style of the pulley and the overall damper length – the distance measured from the front face of the damper to the back of the hub. 1. Timing Tab Location
Can a harmonic damper be used on a race car?
ATI also makes lightweight aluminum dampers in two different diameters for specific engines, plus lightweight race-only dampers for extreme rpm applications. The performance benefits of using the proper harmonic damper are considerable. A properly functioning damper stabilizes camshaft and ignition timing.
What kind of damper do I need for a 302 HO?
1982 and later 302 HO, 34 oz. in. use Damper #918910. External balance units are 28.2 oz.in. 302-351, except 302 HO part #918910 which is 50.oz. Part #918911 (28 oz. in.): If you install a 351 external balance crank in a 302 HO and use the stock 302 HO timing cover.
What kind of damper does a Ford engine use?
The patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines. Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight.
When do you need an aftermarket damper and balancer?
LeBarron says that an engine builder should consider an upgrade to an aftermarket damper/balancer whenever the engine is modified beyond stock. “Increasing torque causes the stock tuned elastomer damper to work harder.
Is the elastomer damper a broad range damper?
Changes to the rotating assembly effect where in the rpm range the worst vibration occurs. “The stock tuned elastomer damper will still function, just not where it will provide the best protection,” LeBarron explains. “Fluidampr is a broad range damper. It does not require tuning or maintenance.
Where is the timing mark on a Houzz?
The timing tab on this engine is high on the damper. If you were to look at it from the front of the engine it would be at about the 1 – 2 o’clock position, welded to the timing chain cover. While the the mark on the damper, when running and the light on #1 cylinder, is at about the 3-4 o’clock position.
What kind of damper does Borowski race engines use?
This 427 cid twin-turbo LS engine built by Borowski Race Engines uses an ATI damper to temper the more than 1,500 horsepower on tap. LeBarron says that an engine builder should consider an upgrade to an aftermarket damper/balancer whenever the engine is modified beyond stock.