Hilti HIT-HY 200-R V3 Mode D'emploi page 7

Drilling method
Hammer drilling (HD)
and (HDB) 1)
Diamond coring with
roughening with Hilti
Roughening Tool TE-
YRT (RT)
1)
HDB = Hollow Drill Bit Hilti TE-CD and TE-YD
Comments: The minimum concrete cover acc. EN 1992-1-1 must be observed
Table B2: Maximum embedment depth l
(valid for hammer drilling and hammer drilling with Hilti Hollow Drill Bit)
Element
Rebar
Size
 8 -  32
Temperature in the base
material T
-10 °C to -5 °C
-4 °C to 0 °C
1 °C to 5 °C
6 °C to 10 °C
11 °C to 20 °C
21 °C to 30 °C
31 °C to 40 °C
Minimum concrete cover / Maximum embedment depth
Maximum working time and minimum curing time
ETA 19/0665 v03 of 22/01/2020
Table B1: Minimum concrete cover c
depending on drilling method and drilling tolerance
Minimum concrete cover c
Bar diameter
[mm]
Without drilling aid
ϕ < 25
30 + 0,06 · l
ϕ ≥ 25
40 + 0,06 · l
ϕ < 25
30 + 0,06 · l
ϕ ≥ 25
40 + 0,06 · l
HDM 330, HDM 500
Concrete temperature ≥ -10 °C
Table B3: Maximum working time and minimum curing time
Maximum working time
Hilti HIT-HY 200-R V3
Intended Use
of post-installed rebar
min
spacing [mm]
≥ 2 · ϕ
30 + 0,02 · l
b
≥ 2 · ϕ
40 + 0,02 · l
b
≥ 2 · ϕ
30 + 0,02 · l
b
≥ 2 · ϕ
40 + 0,02 · l
b
.
depending on bar diameter and dispenser
b,max
Dispensers
l [mm]
b,max
700
t
work
3 hours
1,5 hours
45 min
30 min
15 min
9 min
6 min
[mm] / Minimum half clear
min
With drilling aid
≥ 2 · ϕ
b
≥ 2 · ϕ
b
≥ 2 · ϕ
b
≥ 2 · ϕ
b
HDE 500
Concrete temperature ≥ 0 °C
l [mm]
b,max
1000
Minimum curing time
t
cure
20 hours
8 hours
4 hours
2,5 hours
1,5 hours
1 hour
1 hour
Annex B2
of ETA N° 19/0665
page 6 of 18