RE: Question about pitch of underground drainage pipe. Usually perforated pipes are bedded in gravel. When water accumulates in the gravel it'll bubble up in the perforated pipe and at some point it'll discharge out the end. Perforated pipes do not need to be placed on a design slope like a gravity pipe.
Funeral procession arriving at the church. The coffin is covered with an elaborate red pall. A pall (also called mortcloth) is a cloth that covers a casket or coffin at funerals. The word comes from the Latin pallium (cloak), through Old English. It is also a stiffened square card covered with white linen, usually embroidered with a cross or some other appropriate symbol.
A heavy, black cloth, spread over the coffin in the church at a funeral, or over the catafalque at other services for the dead. In the centre of it there is generally a white or red cross. It must always be black, but its material and ornamentation may vary. Symbols of death, such as skulls, cross-bones etc., forbidden on the altar and ministers' vestments, are allowed on palls. The pall is in universal use, though not prescribed. Where, however, there is no catafalque or bier, absolution may not be given except a black cloth be extended on the floor of the sanctuary (S.