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(Gates) 3.  How do you determine what size gate is needed?

Gates are available in four standard lengths or sizes  ---  22", 27", 32" and 37". 

For angle iron handrail, measure the opening between the handrails.  The gate size should be equal to or greater than the opening.   This will insure that when the gate is closed, it will contact the vertical post of the opposite handrail.  Thus if the opening is 25", a 27" gate would be needed. 

For pipe handrail, it may be necessary to order the next larger size.  Please refer to the attachment plate drawings (which will add about 5" to the opening measurement) or the suggested bolt-on bracket (which does not require the additional 5") for some simple ways to mount the safety gate to pipe handrail.

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(Gates) 4.  How do you determine what swing direction is needed?

Left-handed or right-handed opening direction is determined from the viewpoint of someone stepping off of the ladder and onto the platform.  In this situation the blade of the gate always swings away.  If the position of the hinge is needed on the right, the blade would swing away to the right, and a right hand gate would need to be ordered.

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(Gates) 5.  What does the support block do?
The support block provides a reliable and sure stop point should there ever be a vertical load placed on the gate.  This situation could occur if:
        (1) someone fell forward onto the gate or
        (2) needed to grab the gate as they were climbing up the ladder.

The support block should not touch the gate.  It should be mounted about 1"  below the gate's top bar, when the gate is in the closed position.

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(Gates) 6.  Do I need to install the support block?
Yes!  We have tested the gate at impact loads over 400 lbs. and static loads of about 500 lbs. (Picture at right shows DG 37L with load of 495 lbs.)  We are confident that the Intrepid Safety Gate is quite strong.  However, it is still a cantilevered beam, and it can deflect. 

When installed correctly, the support block stops the gate after only a short deflection (about 1").  Because this gives a positive and secure stop, it surely will  provide a considerable "degree of confidence" to someone who is up on a platform 60 feet or so in the air.

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(Gates) 7.  Should the gate rest on the support block?
Absolutely not!!  The block is meant to provide support only when there is a vertical load placed on the gate.  Being a cantilevered beam, it will deflect, but the block will make a sure point of contact before it deflects very far.  Please see the answers in the previous two questions.

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(Gates) 8.  When I order a gate, do I need to order a hinge and support block, as well?
Not at all.  When you order a gate from Intrepid, everything is included with the cost of the gate.  The hinge, the support block, and all the galvanized hardware are included as shown in our details.

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(Gates) 9.  Can I just attach the hinge upside down to reverse the gate's direction of swing?
No!!  The direction of swing is determined by the angles built into the hinge.  

If you need the opposite swing, you will need the opposite hand hinge.  A replacement hinge can be ordered and installed to reverse the swing direction. 

Note:  Both the SG and the DG safety gates use the same LH and RH hinges.

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(Gates) 10.  Can the length of the gate be adjusted or trimmed?
Yes.  Since the gate is molded of a solid material, it is very easy to saw off or trim the length to avoid obstructions.  However, you still must leave 2"-3" of material to strike and extend past the opposite post.

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(Gates) 11.  Will the gate swing open a full 180°?
No, this gate has a stop tab which prevents it from opening more than 105°.

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(Gates) 12.  How high does the gate swing?
Because of its gravity-closing action, the gate travels outward as well as slightly upward.  When it is in it's full open position of 105°, the gate will rise about 12 ½" above its closed position.

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(Gates) 13.  Doesn't the double bar safety gate (DG) need 2 hinges (and 2 support blocks)?
No.  It is designed to hang, and swing, from just one hinge.  The other attachment point on the blade is used when the opposite hand hinge is required.

The support block is used to arrest the movement of the gate if a downward force or impact occurs.  One block is sufficient to deal with this.

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(Gates) 14.  Can I order the attachment plate or bracket for pipe handrail?
No. We have not found a market for these attachment plates.  Our experience has shown that most maintenance and installation people have no trouble fabricating them for the specific situation.  

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(Gates) 15.  Is there any way to keep the gate closed and prevent it from blowing open?
Yes.  We offer add-on kits for both a "low-tech" simple magnet approach as well as a "high-tech" electromagnet approach.  Pricing for either of these approaches can be found on our pricing pages.

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(Gates) 16.  How large an opening will the gates cover?
The longest gate that we currently make will cover openings up to 37" on angle iron constructed handrail.  If you have pipe handrail, you may only be able to span an opening of 32".  The gate can be ordered in four standard sizes --- 22", 27", 32", and 37".

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(Gates) 17.  Can the gate be used at the top of a mezzanine or storage platform?
No, not really.  This question usually comes from someone who is wanting a barrier at the top of the mezzanine/storage area opening through which they can load palletized product onto the platform.  While our gates were designed primarily for ladderway access, there are a number of other manufacturers who produce these type of moveable barriers.  You can find them by searching for "mezzanine gates."

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(Gates) 18.  You designate the gates as 22", 27", 32", and 37", but I can't find that measurement.  Why?
The gates are designed in this fashion to indicate the maximum opening that they will cover.  The actual length of the gates measure somewhat more than these designations.  The length of the gate must include the maximum opening plus the extra 2"-3" of overlap on the opposite vertical post.

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(Gates) 19.  Can the gates be painted?
Yes, although the safety yellow color is normally acceptable for most purposes.  The color is molded throughout the parts, so they should never need painting.  However, if desired, the gate surfaces can be wiped clean and painted.

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(Gates) 20.  How does ultraviolet (UV) light affect the safety gates?
The only effect on the polyurethane material will be some surface discoloration to an amber shade.  Aside from the surface effect, the rest of the material does not lose any of its original strength or material properties when exposed to UV light.

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GRATING PENETRATION COLLARS -- Click on a question

1. How many different sizes are available?                                      
2. How large a hole can be cut?
3. Can I use these for multiple pipe penetrations?
4. Can I rest riser clamps on them?   How heavy a load?
5. Do I have to use the supplied bolts and locking bars?
6. Can these be used on solid flooring like checkered plate or concrete?
7. Why do you make the straight extender piece (GPC-X)?
8. Do you make other extender lengths?
9. How many of the GPC-L's are needed to encircle larger penetrations?
10. Do I need to use scaffolding?
11. Can the collars be painted?
12. How does the ultraviolet (UV) light affect the collars?

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(GPC) 1.  How many different sizes are available?
There are 3 basic round sizes (GPC-6, GPC-10, and GPC-14) to encircle pipe penetrations up to 14".  These sizes are designed by their inside diameter dimension as 6", 10", and 14". 

There is also a straight extender piece of 6" length (GPC-X) that can be used to expand each of the basic sizes to enclose oval shaped penetrations such as multi-pipe or angled pipe penetrations. 

For larger penetrations, there are link pieces (GPC-L) which can be linked together to encircle large diameters or even irregular shapes.  These identical straight pieces measure 9 1/2" from center-to-center of their bolt hole attachments.

Pictures and overall dimensions are shown here.

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(GPC) 2.  How large a hole can be cut?
Each of the round collars has a flanged area 5" greater than it's inside diameter dimension.  This means that the hole could be cut as much as 1"-1½" larger than the designated collar size.  The same is true of the GPC-X and GPC-L.

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(GPC) 3.  Can I use these for multiple pipe penetrations?
Yes!   By adding one or more of the 6" long extender pieces (GPC-X) between the curved halves, you can accommodate multiple pipe penetrations.  The GPC-L pieces can be combined to encircle just about anything required (See answer to FAQ #9 below.)

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(GPC) 4.  Can I rest riser clamps on them?  How heavy a load?
Yes, the polyurethane material from which the collars are molded is capable of supporting a load of over 2000 pounds in this fashion.

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(GPC) 5.  Do I have to use the supplied bolts and locking bars?
Not necessarily, assuming you have adequate beam support for the walkway grating.  Some jobs have used other hardware choices, such as J-bolts, which can be simply inserted through the molded slots in the flange area.

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(GPC) 6.  Can these be used on solid flooring like checkered plate or concrete?
Yes, but you may want to use threaded anchors in place of the locking bars.  The galvanized bolt hardware provided is standard 3/8"-16 bolts.

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(GPC) 7.  Why do you make the straight extender piece (GPC-X)?  
This can be used to expand the basic curved pieces to accommodate multiple pipe penetrations or pipes  that penetrate the grating at an angle other than vertical.

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(GPC) 8.  Do you make other extender lengths?
No.   At this time, we think that most situations can be addressed with the 6" length.  However, if you find a situation where this is not the case, we would like to know about it.

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(GPC) 9.  How many of the GPC-L's are needed to encircle larger penetrations?
The GPC-L's provide a great deal of versatility.  They can easily encircle very large openings as well as irregular shaped openings.

Since each link piece measures 9 1/2" from center-to-center, it is very easy to always add "just one more" to enclose whatever size you need.

 

To help you in estimating and ordering, please refer to this table of sizes.  Keep in mind that these are the sizes needed to encircle uninsulated pipe.  If you have insulation, just use the Max. Inside Circle Diam. column as a reference.

You may also use this general "rule of thumb" for circular openings.  Calculate the rounded value of the Pipe Size divided by 3 and then add 2 more links to the result.

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(GPC) 10.  Do I need to use scaffolding?
No, not at all.  The collars are designed to allow top-side installation.  Follow the directions and simply "spear" the locking bars down through the grating openings.  Reinsert the bolts and tighten.  The whole process should take about 5-10 minutes!

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(GPC) 11.  Can the collars be painted?
Yes, although the safety yellow color is normally acceptable for most purposes.   The color is molded throughout the parts, so they should never need painting.   However, if desired, the collar surfaces can be wiped clean and painted.

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(GPC) 12.  How does ultraviolet (UV) light affect the collars?
The only effect on the polyurethane material will be some surface discoloration to an amber shade.  Aside from this surface effect, the rest of the material does not lose any of its original strength or material properties when exposed to UV light.

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CABLESAFE^® SAFETY HOOKS -- Click on a question       

1. How many different sizes are available of the CableSafe® Safety Hooks?             
2. What are the benefits of using the hooks?                                                        
3. Can I get just a few hooks to try them out?
4. Can the hooks be used for lifting?
5. What are the load limits and usage temperature of the CableSafe® Safety Hooks?
6. Is there any way to prevent the work lines from slipping off of the hooks?
7. Are the hooks available in colors other than safety yellow?
8. Are the hooks available as glow-in-the-dark?
9. Can the hooks be molded to show our company logo and/or in our company colors?

 

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(CS) 1.  How many different sizes are available of the CableSafe^® Safety Hooks?
Three sizes are available  ---  CS-6, CS-9, and CS-12.  The number designation refers to the overall length of the hook in inches.  Each larger size is thicker and stronger for carrying loads.  Each larger size also has larger openings in the S-shapes.

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(CS) 2.  What are the benefits of using the hooks?
Principally the hooks are employed to avoid tripping hazards from work lines being scattered about.  This feature is particularly useful in high activity areas or limited work areas such as during plant turnarounds and aboard ships and offshore rigs. 

Because the hooks are molded of a glass-filled polyester, they are non-conductive and have smooth edges that will not cut or abrade the work lines being held.  They can be used to hold electrical lines, air lines, water hoses, welding leads, hydraulic lines. They are very easy to install almost anywhere and can be reused on many future jobs.

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(CS) 3.  Can I get just a few hooks to try them out?
Sure, you can purchase whatever number you need.  We offer a “less than box quantity” price just for this purpose.  However the price is more attractive if you purchase them in full boxes of 25 hooks.  Additional discounts are available on multiple quantity box orders.  Refer to our literature and price list.

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(CS) 4.  Can the hooks be used for lifting?
No, the hooks are only intended to bear static loads.  They are used to hold cables, wires, hoses and other work lines off the ground and reduce the possibilities for tripping hazards.

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(CS) 5.  What are the load limits and usage temperature of the CableSafe^® Safety Hooks?
The glass-filled polyester material used to mold the hooks has a temperature range designated from – 4ºF. (– 20º C.) to 392º F. (200º C.).  While the hooks are not designed for lifting they can carry considerable maximum loads as shown below.

Hook Size	Maximum Load	Material of Construction	Temperature Range
CS-6	88 lbs.  (  40 kg)	Glass-filled polyester	Min.  Temp.:   – 4ºF. ( – 20º C.) Max. Temp.:  392ºF. (  200º C.)
CS-9	121 lbs.  (  55 kg)
CS-12	418 lbs.  (190 kg)

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(CS) 6.  Is there any way to prevent the work lines from slipping off of the hooks?
Yes.  Each end of the hook has a small hole in it just for this purpose.  Once the work lines are placed into the hook, simply use a tie wrap through the hole, across the lines and around the body of the safety hook.  The work lines should be secured until you release them.

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(CS) 7.  Are the hooks available in colors other than safety yellow?
Yes, other colors can be produced.  However, this is considered a special order and a purchase of 1000 or more hooks is required.  You will also need to provide payment prior to the start of producing the order.

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(CS) 8.  Are the hooks available as glow-in-the-dark?
Yes, glow-in-the-dark hooks can be produced.  However, this is considered a special order and a purchase of 1000 or more hooks is required.  You will also need to provide payment prior to the start of producing the order.

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(CS) 9.  Can the hooks be molded to show our company logo and/or in our company colors?
Yes, company logos and special colors are possible.  However, this is considered a special order and a purchase of 1000 or more hooks is required.  You will also need to provide payment prior to the start of producing the order.  Special orders like this require a one-time cost for the mold insert which will produce the company’s name and/or logo.  This also will need to be purchased.

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