estimate for total colouring in annual maintenance contract zoo , providing and applying two coats of stynthetic enamel paint of approved colours to new / old structural steel work and wood work in building including scaffolding if necessary cleaning and preparing the surface ( excluding primer coat ) etc complete bdo $a 35 . 07 , providing and applying one coat of aluminium paint of approved make to new structural steel work in building and wrokshop including scaffolding if necessary cleaning and complete bdo 3 35 . 05 0 . 3 page no . 404 ( ssr no . 35 . 05 ) , providing and applying two coats of exterior weather shield paint of approved manufacture and of approved colour to the plastered surfaces including cleaning preparing the plaster surface applying primer coat scaffolding if necessary and watering the surface for two days etc complete note for item no 15 to 18 prior approval of suprintending engineer in charge ( ssr no . 35 . 26 ) , providing and applying washable oil bound distemper of approved colour and shade to old and new surface in two coats including scaffolding preparing the surfaces ( excluding the primre coat etc complete bdp 5 36 . 11 bd . p5 page no . 413 ( ssr no . ; 36 . 11 )