BS/EN 16228-3-2014 pdf download.Drilling and foundation equipment-Safety Part 3 : Horizontal directional drilling equipment ( HDD ).
5.6.3 Driving, tramming and operating(s) position
Horizontal directional drills that allow the operator to ride the machine during tramming, shall be provided with a seat and a roll-over protective structure (ROPS) in accordance with EN ISO 3471:2008.
Horizontal directional drills that allow the operator to realign the machine from a seated operator’s position during the drilling operation that are not equipped with a ROPS structure shall have a maximum tramming operation time of 10 s. The 10 s tramming limitation shall be provided by a hold to run switch.
Horizontal directional drills (excluding types designed to work from a pit, or to be controlled remotely) shall be fitted with a seat from which the operator can comfortably operate the machine controls during operation of the machine The seat dimensions and horizontal adjustment ranges shall be in accordance with
ISO 11112:1995.
5.6.4 Falling Object Protection (FOPS)
Horizontal directional drills shall be fitted with falling object protective structure (FOPS) level II of EN ISO 3449:2008 if they are equipped with lifting devices where there is a capability to lift drill rod or tooling over the operator station.
5.7 Access to operating positions, intervention and servicing points Subclause 5.12 of EN 16228-1:2014 applies with the following addition:
Required access to the drive chuck and breakout clamps for wire-line connections shall comply with
EN ISO 2867:2011.
5.8 Retrieval, transportation, lifting and towing of horizontal directional drills and their parts Subclause 5.19 of EN 16228-1:2014 applies with the following addition.
Horizontal directional drills shall be equipped with tying down points. If equipped with lifting points,
ISO/DIS 15818:2013 can be used as a guideline.
When a removable drill rod boxlmagazine is provided, the weight of the full rod box/magazine and its lifting
points shall be marked on it.
5.9 Travel speed
The forward speed of pedestrian controlled horizontal directional drills shall not be capable of exceeding 6 km/h by design.
The speed for travelling towards the operator (i.e. reversing) shall not be capable of exceeding 2.5 km/h by design. Where the horizontal direction drill is controlled while tramming via a tethered or wireless remote control, the forward and reverse speed shall not exceed 6 km/h by design.
5.10 Control devices
5.10.1 General
Subclause 516 of EN 16228-1:2014 applies with the following addition:
Horizontal directional drill specific control device pictograms are given in Annex A.
5.10.2 Pedestrian controlled horizontal directional drills
The travel function of pedestrian controlled horizontal directional drills shall be controlled by means of a hold- to-run device which when released, causes the machine to stop.
5.10.3 Protective measures for stopping of rotation and feed
Subclause 5.16.1, paragraph 3 of EN 16228-1:2014 does not apply to horizontal directional drills.
The primary controls for rotation and feed shall be hold-to-run and shall stop drill movement if released. If it is possible to select a control mode whereby rotation and feed can be set to continuous operation, any subsequent manipulation of drill rotation or feed control(s) shall immediately cause rotation and feed to stop.
An interlock shall be provided to ensure that drill pipe rotation and feed functions can only be engaged when the operator is properly positioned at the operators station. If the operator leaves the designated operator’s position, drill pipe rotation and feed shall automatically stop
5.10.4 Restricted operating mode
Subclause 5.23.2.2.4 of EN 16228-1:2014 applies with the following modification.
The restricted operating mode for horizontal directional drills shall be engaged with the following specifications: a feed speed of not more than 20 rn/mm.
5.11 Equipment for information and warning
5.11.1 General
Horizontal directional drills shall be equipped with devices to warn the operator if the machine becomes electrically energized as a result of contact with buried electrical cables. For example, such devices can be a strike detector or strike alarm system.BS/EN 16228-3-2014 pdf download.