Attachment 10
F
Form Approved OMB
No. 0920-0843 Exp.
Date xx/xx/20xx
Mine Name: ___________
Full Study Section Foreman Subject ID: _______________
Section Number: ____
Phone #: _________________________
ENVIRONMENT
(NOTE: these questions are to be asked to each section foreman on a monthly basis via a conference call; please instruct the section foreman that all of the following questions pertain to conditions over the past month.)
How many working faces do you currently have at your mine (please enter)?___________
What is the mining height of your section at the face (please enter)?____________
How would you describe your mine floor conditions at the face (please circle)?
Extremely wet/standing water
Extremely dry/no mud whatsoever
Thick mud
Slightly muddy
Alternating between muddy and dry depending on the day/week
Mostly dry
Completely dry
Rocky
Smooth
Soft
Other (please specify) ___________________________________
How much rock is spalling (i.e. breaking into chips or fragments) off from the roof and/or rib (please circle)?
None
Very little
Some
A lot
Public reporting burden of this collection of information is estimated to average 10 minutes per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing the collection of information. An agency may not conduct or sponsor, and a person is not required to respond to a collection of information unless it displays a currently valid OMB control number. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to CDC/ATSDR Information Collection Review Office, 1600 Clifton Road NE, MS D-74, Atlanta, Georgia 30333; ATTN: PRA (0920-0843).
Referring to your roof control plan
What are the length of the bolts you are using (please write down all bolt lengths)?
____________________________________________________________
____________________________________________________________
____________________________________________________________
____________________________________________________________
What types of supplemental supports are you using (place an “x” under the answer for each type of support)?
What types of floor and roof material have you dealt with over the past month (please circle all that apply)?
Shale
Sandstone
Other (please specify) _______________________
What conditions have changed in your section in the past month (please circle all that apply)?
None
Type of surrounding rock
Roof control plan
Quality of roof
Amount of wetness
Seam height
Now have undulating ground conditions
Now have non-undulating ground conditions
Other (please specify) _______________________
Is the floor level or does it have a dip or pitch (please circle)?
Level
Dip or pitch
File Type | application/msword |
Author | sme6 |
Last Modified By | CDC User |
File Modified | 2012-10-19 |
File Created | 2012-10-17 |