Chemical plant design

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Pipe Size ASA/DIN
mm
Cold insulation thickness type FG/PIR
mm
Hot insulation thickness type Rockwool
mm
Insulation Norms
Cold Hot Cold Hot
Insulation material type FG/PIR (/m) Rockwool (/m) FG/PIR (/m2) Rockwool (/m2)
Insulation Thickness (mm) - (a,b)
Pipe Size ASA/DIN - (x) Unit Unit
Removal of existing insulation mhr/m mhr/m2
Removal of existing sheeting mhr/m mhr/m2
Installation of existing insulation mhr/m mhr/m2
Installation of existing sheeting mhr/m mhr/m2
Installation of new insulation mhr/m mhr/m2
Prefabrication of new sheeting mhr/m mhr/m2
Installation of new sheeting mhr/m mhr/m2
Pipe Fittings & Valves - FG/PIR (/ea)
Insulation thickness (mm)
Pipe Size ASA/DIN - (x)
Pipe Fittings & Valves type Elbow Tee Reducer Flange cap End cap Valve cap
Removal of existing insulation
Removal of existing sheeting
Installation of existing insulation
Installation of existing sheeting
Installation of new insulation
Prefabrication of new sheeting
Installation of new sheeting
Pipe Fittings & Valves - Rockwool (/ea)
Insulation thickness (mm)
Pipe Size ASA/DIN - (x)
Pipe Fittings & Valves type Elbow Tee Reducer Flange cap End cap Valve cap
Removal of existing insulation
Removal of existing sheeting
Erection of existing insulation
Erection of existing sheeting
Erection of new insulation
Prefabrication of new sheeting
Erection of new sheeting
1. For all types of HOT Equipment insulation (Glass Fiber, Mineral Wool and Calcium Silicate), the work hour units are based on the following erection method:
Shell cover (blanket or block) is applied with staggered joint arrangement. Top and bottom edges are securely tied over support rings with wire on 12-inch centers. Vertical and horizontal seams are laced together by interlocking the wire mesh and with wire ties where necessary. The insulation is secured in place with bands spaced on 12-inch centers.
Head cover is shaped so that all sections closely fit the contour of the head and are laced together with wire, or are secured with bands on 12-inch centers at tangent line. Exposed head cover is secured with bands attached to a 1⁄4” round steel rod, with a floating ring on the top and a circumferential band at the tangent line of the vessel head. Unexposed head cover is secured with wire to insulation supports provided by the vessel manufacturer.
Weatherproof jacket on vertical equipment is supported on S-clips spaced on 4-foot centers. The jacketing for vertical and horizontal equipment is secured with bands spaced on 12-inch centers with one band at each circumferential lap. On vertical equipment, band loops are included on each band to prevent vertical movement. Weatherproof jacket on exposed vessel heads is a flat metal sheet cut into “pie” pieces and secured with screws on 3-inch centers.
2. For all types of COLD Equipment insulation (Cellular Glass and Polyurethane), the work hour units are based on the following erection method:
Shell cover (block) is applied with staggered joint arrangement. Joints are buttered with joint sealer. In double layer applications, the inner layer is applied without joint sealer. Each layer is secured with bands on 12-inch centers. Outer layer joints are offset from inner layer joints. Vapor barrier is outer layer only. Joints are sealed with a foil-to-mylar 3-inch wide strip applied over the vapor barrier. Contraction joints are included as 11⁄2” wide, packed with 2” of fiberglass blanket material, on 12-foot maximum centers.
Head cover is shaped so that all sections closely fit the contour of the head. Joints are buttered with joint sealer. In double layer applications, the inner layer is applied without joint sealer. Exposed head cover is secured with bands attached to a 1⁄4” round steel rod, with a floating ring on the top and a circumferential band at the tangent line of the vessel head. Unexposed head cover is secured with wire to insulation supports provided by the vessel manufacturer.
Weatherproof jacket on vertical equipment is supported on S-clips spaced on 4-foot centers. The jacketing for vertical and horizontal equipment is secured with bands spaced on 12-inch centers with one band at each circumferential lap. Each band is equipped with one breather spring.

Number of bored pile that can be installed per day

Pile diameter, or pile width, or sheet pile width
m
Pile length
m
Geotechnical conditions - SPT (N-value x 2) - blows/300mm **
kPa
Socket material strength of socket UCS(MPa) *
MPa
Engine (kw) or vibro weight(t) x 25
kw

Splicing time frames


Production rates relative to piling methodology Value Unit Concrete Unit
Bored Piles 0 no/shift 0 m3/day
Bored Piles with Casings 0 no/shift 0 m3/day
CFA Bored Piles 0 no/shift 0 m3/day
Driven H Piles 0 no/shift
Driven Tubes Piles with shoe 0 no/shift
Precast Concrete Piles 0 no/shift
Vibro Replacement 0 no/shift
Sheet Pile Wall 0 no/shift
Secant Pile Wall 0 no/shift 0 m3/day
Diaphragm Wall 30-50 m3/shift 30-50 m3/day
Soldier Pile Wall 0 no/shift
Contiguous Pile Wall 0 no/shift 0 m3/day
Soil Mix/Slurry Wall 100-160 m3/shift 100-160 m3/day
Drilling pile productivity only 0 m3/shift
Drilling socket productivity only 0 m3/shift

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